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26127 Extended Fecal Pathogen Panel, PCR (GIP)

Extended Fecal Pathogen Panel, PCR (GIP)
Test Code: GIPSO
Synonyms/Keywords
Campylobacter species (C. jejuni/coli/upsaliensis)
Plesiomonas shigelloides
Vibrio cholerae
Enteroaggregative Escherichia coli (EAEC)
Enteropathogenic Escherichia coli (EPEC)
Enterotoxigenic Escherichia coli (ETEC)
Shiga toxin producing E. coli
Escherichia coli O157 serotype
Shigella/Enteroinvasive Escherichia coli (EIEC)
Cyclospora cayetanensis
Giardia
Adenovirus F 40/41
Astrovirus
Norovirus GI/GII
Rotavirus A
Gastrointestinal Infections
Cryptosporidium species
Entamoeba histolytica
Multiplex PCR
Sapovirus
Salmonella species
Yersinia species
C difficile toxin A/B
Vibrio species (V. parahaemolyticus/vunificus/cholerae)
Test Components

Negative results may require further testing based on Mayo algorithm.

See Parasitic Investigation of Stool Specimens Algorithm and Laboratory Testing for Infectious Causes of Diarrhea

Useful For
Rapid detection of gastrointestinal infections caused by:
-Campylobacter species (Campylobacter jejuni/Campylobacter coli/Campylobacter upsaliensis)
-Clostridium difficile toxin A/B
-Plesiomonas shigelloides
-Salmonella species
-Vibrio species (Vibrio parahaemolyticus, Vibrio vulnificus, Vibrio cholerae)
-Vibrio cholerae
-Yersinia species
-Enteroaggregative Escherichia coli (EAEC)
-Enteropathogenic E coli (EPEC)
-Enterotoxigenic E coli (ETEC)
-Shiga toxin
-E coli O157
-Shigella/Enteroinvasive E coli (EIEC)
-Cryptosporidium species
-Cyclospora cayetanensis
-Entamoeba histolytica
-Giardia
-Adenovirus F 40/41
-Astrovirus
-Norovirus GI/GII
-Rotavirus A
-Sapovirus
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Feces ​Cary-Blair ​Para-Pak C & S ​1 gram or 5 mL ​1 mL
Collection Processing Instructions

1. Collect fresh stool and place in preservative within 2 hours of collection.

2. Submit a representative portion of stool in container with transport medium.

Specimen must arrive at Mayo Medical Labs within 96 hours of collection.

Specimen Stability Information
Specimen Type Temperature Time
​Feces ​ ​Room Temperature (preferred) ​4 days
​Refrigerate ​4 days
Rejection Criteria
Specimen >96 hours
​Frozen specimens
​Media other than Cary Blair
​Cary Blair gel swabs
​Products containing formalin
​Rectal swabs
​Stool Swabs
​Gel swabs
​Endoscopy specimens
Interference
The detection of microbial DNA or RNA is dependent upon proper sample collection, handling, transportation, storage, and preparation. There is a risk of false-negative results due to the presence of strains with sequence variability or genetic rearrangements in the target regions of the assays.
 
This test is not recommended as a test of cure.
 
Repeat testing should not be performed on samples collected less than 7 days apart.
 
The presence of blood or mucous in the sample may interfere with testing.
 
The following information is provided by the test manufacturer:
Campylobacter species: Detects but does not differentiate C jejuni, C coli, and C upsaliensis. Other species will not be detected. Helicobacter pullorum may cross react.
Clostridium difficile: Detects but does not differentiate toxin A gene (tcdA) and toxin B gene (tcdB). A positive result may reflect asymptomatic carriage or C difficile-associated diarrhea.
Salmonella species: Detects but does not differentiate S enterica and S bongori. Cross-reactivity may occur with some strains of Escherichia coli, which have the cryptic ETT2 type-III secretion system.
Vibrio species: Detects but does not differentiate V parahaemolyticus and V vulnificus. The assay may also react with less common Vibrio species (ie, V alginolyticus, V fluvialis, and V mimicus). V cholerae is specifically listed when detected. Grimontia hollisae may cross react.
Yersinia species: Detects Y enterocolitica but does not differentiate known serotypes or biotypes. Y kristensenii, Y frederiksenii, and Y intermedia cross-react at high levels with Y enterocolitica; detection is reported to genus level only.
Diarrheagenic Escherichia coli: Detects genetic determinants associated with classic diarrheagenic E coli/Shigella pathotypes. Transfer of these genes between organisms has been documented; therefore, detected results for multiple diarrheagenic E coli/Shigella may be due to the presence of multiple pathotypes or a single strain containing the genes characteristic of multiple pathotypes.
Enteroaggregative Escherichia coli (EAEC): Detects but does not differentiate 2 gene targets typically associated with enteroaggregative E coli; the aggR regulatory gene and the putative outer membrane protein, aatA, both located on the partially-conserved pAA plasmid. pAA is not present in all strains phenotypically identified as EAEC, and not all pAA plasmids carry aggR and aatA genes; therefore, the assay will not detect all members of this diverse pathotype, but is likely to detect most pathogenic strains.
Enterotoxigenic Escherichia coli (ETEC): Detects but does not differentiate heat-labile (LT) enterotoxin (ltA) and 2 heat-stable (ST) enterotoxin variants (st1a and st1b). Cross-reactivity may occur with strains of Hafnia alvei, Citrobacter koseri, Citrobacter sedlakii, and Cedecea davisae. LT-II and the STB/ST2 toxins are not detected.
Enteropathogenic Escherichia coli (EPEC): Detects eae gene but does not differentiate typical and atypical EPEC. The LEE pathogenicity island, which includes the eae gene, is also found in some Shiga toxin-producing E coli (STEC; O157 and non-O157 strains). Therefore, the results of the eae assay (positive or negative) are only reported when STEC is not detected. When STEC is detected, EPEC will not be reported, regardless of the EPEC assay result. Consequently, the assay cannot distinguish between STEC containing eae and a coinfection of EPEC and STEC. Rare instances of other organisms carrying eae have been documented (eg, Aeromonas species, Citrobacter species, E albertii, Shigella boydii). Others assays target bfp to detect EPEC and, if positive, reflex to eae detection to characterize isolates as typical or atypical EPEC. The bfp gene is not used to detect EPEC in this assay. For the reasons described above, EPEC may be missed or overcalled.
Shiga toxin-producing Escherichia coli (STEC): Detects but does not differentiate Shiga toxin 1 (stx1) and Shiga toxin 2 (stx2) sequences. Shiga toxin-positive results indicate the likely presence of Shiga toxin-producing Escherichia coli. Rare instances of detection of Shiga-like toxin genes in other genera and species have been reported (eg, Aeromonas caviae, Acinetobacter haemolyticus, Shigella sonnei, Enterobacter cloacae, Citrobacter freundii, Klebsiella pneumoniae).
Escherichia coli O157: The Escherichia coli O157 assay is not reported as detected unless a Shiga-like toxin gene is also detected. The assay cannot distinguish between infections with a single toxigenic STEC O157 or rare coinfections of STEC (non-O157) with an stx1/stx2-negative E coli O157.
Shigella/Enteroinvasive E. coli (EIEC): Detects but does not differentiate Shigella species from enteroinvasive E coli.
Cryptosporidium species: Detects but does not differentiate approximately 23 different Cryptosporidium species, including the most common species (eg, C hominis and C parvum), as well as less common species (eg, C meleagridis, C felis, C canis, C cuniculus, C muris, and C suis), but is not expected to detect the very rare species C bovis, C ryanae, and C xiaoi.
Entamoeba histolytica: Detects E histolytica. E dispar present in high levels may cross-react.
Giardia: Detects G lamblia (also known as G intestinalis, G duodenalis). A very low frequency of cross-reactivity with the commensal microorganisms Bifidobacterium and Ruminococcus species was observed in the clinical evaluation.
Adenovirus F40/41: Detects but does not differentiate F40 and F41. Does not detect respiratory adenovirus species such as B, C, and E.
Astrovirus: Detects but does not differentiate 8 subtypes (HAstV1-8).
Norovirus GI/GII: Detects but does not differentiate GI and GII. Does not detect genogroup GIV, nonhuman genogroups, or closely related Caliciviruses.
Rotavirus: Detects all strains of rotavirus A. In silico sequence analysis indicates that these assays will not cross-react with rotavirus B and C, which are less common in human disease, or rotavirus D, E, and F, which have not been found in humans. Recent oral rotavirus A vaccines may result in patients passing the virus in stool and be detectable in stool PCR testing. Contamination of specimens with vaccine can cause false-positive rotavirus PCR results. Specimens should not be collected or processed in areas that are exposed to rotavirus A vaccine material.
Sapovirus: Detects but does not differentiate genogroups I, II, IV, V. Genogroup III will not be detected.
(FilmArray Gastrointestinal [GI] Panel CE IVD, BioFire Diagnostics, LLC, Salt Lake City, Utah)
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories ​Monday through Sunday ​2-7 days ​Multiplex Polymerase Chain Reaction (PCR)
Reference Lab
Test Information

Acute diarrheal syndromes are usually self-limiting, but may be complicated by dehydration, vomiting, and fever. Diagnostic testing and treatment may be required in some instances. Many bacterial enteric infections in the United States originate within the food supply chain. According to the CDC, in 2012 there were 19,531 laboratory-confirmed cases of infection with pathogens potentially transmitted through food in the United States. The number of infections, by pathogen, were as follows: Salmonella species (7,800), Campylobacter species (6,793), Shigella species (2,138), Cryptosporidium species (1,234), Shiga toxin-producing Escherichia coli non-O157 (551), Shiga toxin-producing E coli O157 (531), Vibrio species (193), Yersinia species (155), and Cyclospora cayetanensis (15). Giardia may also be transmitted through ingestion of contaminated food and water. There were 15,178 cases of giardiasis reported to the CDC in 2012. Since the clinical presentation may be very similar to many of these bacterial, viral, and parasitic pathogens, laboratory testing is required for definitive identification of the causative agent.

Rapid multiplex panel detection of the most common agents of bacterial, viral, and parasitic enteric infections directly from stool specimens is sensitive, specific, and provides same-day results, obviating the need for culture, antigen testing, microscopy, or individual nucleic acid amplification tests.

See Parasitic Investigation of Stool Specimens Algorithm and Laboratory Testing for Infectious Causes of Diarrhea in Special Instructions for other diagnostic tests that may be of value in evaluating patients with diarrhea.

Reference Range Information
Performing Location Reference Range
​Mayo  Medical Laboratories ​Negative (for all targets)
Interpretation
A negative result should not rule-out infection in patients with a high pretest probability for gastrointestinal infection. The assay does not test for all potential infectious agents of diarrheal disease.
 
Positive results do not distinguish between a viable or replicating organism and the presence of a nonviable organism or nucleic acid, nor do they exclude the potential for coinfection by organisms not contained within the panel.
 
Results of the panel are intended to aid in the diagnosis of illness and are meant to be used in conjunction with other clinical and epidemiological findings.
 
In some cases, there may be local public health requirements that impact Mayo Medical Laboratories (MML) clients and require additional testing on specimens with positive results from this panel. Clients should familiarize themselves with local requirements. MML recommends that clients retain an aliquot of each specimen submitted for this test to perform additional testing themselves, as needed. If necessary, selected add-on tests can be performed by MML at an additional charge, as detailed below. Call MML within 96 hours of specimen collection to request supplemental testing for positive GIP test results:
 
Gastrointestinal Pathogen Panel Positive for
Client Action
Campylobacter species
Salmonella species
Shigella/Enteroinvasive E coli
Yersinia species
Request add on test:� STL / Enteric Pathogens Culture, Stool
(for the Shigella/Enteroinvasive E coli target, the culture will assess for Shigella species only)
Vibrio species
Request add on test:� VIBC / Vibrio Culture, Stool
Shiga toxin-producing E coli
E coli O157
Request aliquot of stool be returned to client for submission to their state or city department of health
 
MML will report such culture results to the client for Enteric Pathogens Culture or Vibrio Culture when ordered. If cultures are positive and the client is in need of the isolated organism (eg, Campylobacter, Salmonella, Shigella, Yersinia, or Vibrio species) for submission to a public health laboratory, the client needs to call MML and request that the isolates be returned to them (the client). The client will be responsible for submitting the isolates to the appropriate public health department. Positive culture results will also be reported via the Electronic Clinical Laboratory Reporting System (ECLRS).
Alternatively (not preferred), clients who want a patient specimen returned from MML should call MML as soon as possible and at the latest within 96 hours of specimen collection to request that MML return an aliquot of the submitted specimen to them. Clients will be responsible for submitting specimens to appropriate public health departments.
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​87507 ​1
Synonyms/Keywords
Campylobacter species (C. jejuni/coli/upsaliensis)
Plesiomonas shigelloides
Vibrio cholerae
Enteroaggregative Escherichia coli (EAEC)
Enteropathogenic Escherichia coli (EPEC)
Enterotoxigenic Escherichia coli (ETEC)
Shiga toxin producing E. coli
Escherichia coli O157 serotype
Shigella/Enteroinvasive Escherichia coli (EIEC)
Cyclospora cayetanensis
Giardia
Adenovirus F 40/41
Astrovirus
Norovirus GI/GII
Rotavirus A
Gastrointestinal Infections
Cryptosporidium species
Entamoeba histolytica
Multiplex PCR
Sapovirus
Salmonella species
Yersinia species
C difficile toxin A/B
Vibrio species (V. parahaemolyticus/vunificus/cholerae)
Test Components

Negative results may require further testing based on Mayo algorithm.

See Parasitic Investigation of Stool Specimens Algorithm and Laboratory Testing for Infectious Causes of Diarrhea

Ordering Applications
Ordering Application Description
​Centricity ​Extended Fecal Pathogens, PCR
​Cerner ​Extended Fecal Pathogens, PCR
​COM ​Extended Fecal Pathogens, PCR
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
​No ​Feces ​Cary-Blair ​Para-Pak C & S ​1 gram or 5 mL ​1 mL
Collection Processing

1. Collect fresh stool and place in preservative within 2 hours of collection.

2. Submit a representative portion of stool in container with transport medium.

Specimen must arrive at Mayo Medical Labs within 96 hours of collection.

Specimen Stability Information
Specimen Type Temperature Time
​Feces ​ ​Room Temperature (preferred) ​4 days
​Refrigerate ​4 days
Rejection Criteria
Specimen >96 hours
​Frozen specimens
​Media other than Cary Blair
​Cary Blair gel swabs
​Products containing formalin
​Rectal swabs
​Stool Swabs
​Gel swabs
​Endoscopy specimens
Interference
The detection of microbial DNA or RNA is dependent upon proper sample collection, handling, transportation, storage, and preparation. There is a risk of false-negative results due to the presence of strains with sequence variability or genetic rearrangements in the target regions of the assays.
 
This test is not recommended as a test of cure.
 
Repeat testing should not be performed on samples collected less than 7 days apart.
 
The presence of blood or mucous in the sample may interfere with testing.
 
The following information is provided by the test manufacturer:
Campylobacter species: Detects but does not differentiate C jejuni, C coli, and C upsaliensis. Other species will not be detected. Helicobacter pullorum may cross react.
Clostridium difficile: Detects but does not differentiate toxin A gene (tcdA) and toxin B gene (tcdB). A positive result may reflect asymptomatic carriage or C difficile-associated diarrhea.
Salmonella species: Detects but does not differentiate S enterica and S bongori. Cross-reactivity may occur with some strains of Escherichia coli, which have the cryptic ETT2 type-III secretion system.
Vibrio species: Detects but does not differentiate V parahaemolyticus and V vulnificus. The assay may also react with less common Vibrio species (ie, V alginolyticus, V fluvialis, and V mimicus). V cholerae is specifically listed when detected. Grimontia hollisae may cross react.
Yersinia species: Detects Y enterocolitica but does not differentiate known serotypes or biotypes. Y kristensenii, Y frederiksenii, and Y intermedia cross-react at high levels with Y enterocolitica; detection is reported to genus level only.
Diarrheagenic Escherichia coli: Detects genetic determinants associated with classic diarrheagenic E coli/Shigella pathotypes. Transfer of these genes between organisms has been documented; therefore, detected results for multiple diarrheagenic E coli/Shigella may be due to the presence of multiple pathotypes or a single strain containing the genes characteristic of multiple pathotypes.
Enteroaggregative Escherichia coli (EAEC): Detects but does not differentiate 2 gene targets typically associated with enteroaggregative E coli; the aggR regulatory gene and the putative outer membrane protein, aatA, both located on the partially-conserved pAA plasmid. pAA is not present in all strains phenotypically identified as EAEC, and not all pAA plasmids carry aggR and aatA genes; therefore, the assay will not detect all members of this diverse pathotype, but is likely to detect most pathogenic strains.
Enterotoxigenic Escherichia coli (ETEC): Detects but does not differentiate heat-labile (LT) enterotoxin (ltA) and 2 heat-stable (ST) enterotoxin variants (st1a and st1b). Cross-reactivity may occur with strains of Hafnia alvei, Citrobacter koseri, Citrobacter sedlakii, and Cedecea davisae. LT-II and the STB/ST2 toxins are not detected.
Enteropathogenic Escherichia coli (EPEC): Detects eae gene but does not differentiate typical and atypical EPEC. The LEE pathogenicity island, which includes the eae gene, is also found in some Shiga toxin-producing E coli (STEC; O157 and non-O157 strains). Therefore, the results of the eae assay (positive or negative) are only reported when STEC is not detected. When STEC is detected, EPEC will not be reported, regardless of the EPEC assay result. Consequently, the assay cannot distinguish between STEC containing eae and a coinfection of EPEC and STEC. Rare instances of other organisms carrying eae have been documented (eg, Aeromonas species, Citrobacter species, E albertii, Shigella boydii). Others assays target bfp to detect EPEC and, if positive, reflex to eae detection to characterize isolates as typical or atypical EPEC. The bfp gene is not used to detect EPEC in this assay. For the reasons described above, EPEC may be missed or overcalled.
Shiga toxin-producing Escherichia coli (STEC): Detects but does not differentiate Shiga toxin 1 (stx1) and Shiga toxin 2 (stx2) sequences. Shiga toxin-positive results indicate the likely presence of Shiga toxin-producing Escherichia coli. Rare instances of detection of Shiga-like toxin genes in other genera and species have been reported (eg, Aeromonas caviae, Acinetobacter haemolyticus, Shigella sonnei, Enterobacter cloacae, Citrobacter freundii, Klebsiella pneumoniae).
Escherichia coli O157: The Escherichia coli O157 assay is not reported as detected unless a Shiga-like toxin gene is also detected. The assay cannot distinguish between infections with a single toxigenic STEC O157 or rare coinfections of STEC (non-O157) with an stx1/stx2-negative E coli O157.
Shigella/Enteroinvasive E. coli (EIEC): Detects but does not differentiate Shigella species from enteroinvasive E coli.
Cryptosporidium species: Detects but does not differentiate approximately 23 different Cryptosporidium species, including the most common species (eg, C hominis and C parvum), as well as less common species (eg, C meleagridis, C felis, C canis, C cuniculus, C muris, and C suis), but is not expected to detect the very rare species C bovis, C ryanae, and C xiaoi.
Entamoeba histolytica: Detects E histolytica. E dispar present in high levels may cross-react.
Giardia: Detects G lamblia (also known as G intestinalis, G duodenalis). A very low frequency of cross-reactivity with the commensal microorganisms Bifidobacterium and Ruminococcus species was observed in the clinical evaluation.
Adenovirus F40/41: Detects but does not differentiate F40 and F41. Does not detect respiratory adenovirus species such as B, C, and E.
Astrovirus: Detects but does not differentiate 8 subtypes (HAstV1-8).
Norovirus GI/GII: Detects but does not differentiate GI and GII. Does not detect genogroup GIV, nonhuman genogroups, or closely related Caliciviruses.
Rotavirus: Detects all strains of rotavirus A. In silico sequence analysis indicates that these assays will not cross-react with rotavirus B and C, which are less common in human disease, or rotavirus D, E, and F, which have not been found in humans. Recent oral rotavirus A vaccines may result in patients passing the virus in stool and be detectable in stool PCR testing. Contamination of specimens with vaccine can cause false-positive rotavirus PCR results. Specimens should not be collected or processed in areas that are exposed to rotavirus A vaccine material.
Sapovirus: Detects but does not differentiate genogroups I, II, IV, V. Genogroup III will not be detected.
(FilmArray Gastrointestinal [GI] Panel CE IVD, BioFire Diagnostics, LLC, Salt Lake City, Utah)
Useful For
Rapid detection of gastrointestinal infections caused by:
-Campylobacter species (Campylobacter jejuni/Campylobacter coli/Campylobacter upsaliensis)
-Clostridium difficile toxin A/B
-Plesiomonas shigelloides
-Salmonella species
-Vibrio species (Vibrio parahaemolyticus, Vibrio vulnificus, Vibrio cholerae)
-Vibrio cholerae
-Yersinia species
-Enteroaggregative Escherichia coli (EAEC)
-Enteropathogenic E coli (EPEC)
-Enterotoxigenic E coli (ETEC)
-Shiga toxin
-E coli O157
-Shigella/Enteroinvasive E coli (EIEC)
-Cryptosporidium species
-Cyclospora cayetanensis
-Entamoeba histolytica
-Giardia
-Adenovirus F 40/41
-Astrovirus
-Norovirus GI/GII
-Rotavirus A
-Sapovirus
Test Components

Negative results may require further testing based on Mayo algorithm.

See Parasitic Investigation of Stool Specimens Algorithm and Laboratory Testing for Infectious Causes of Diarrhea

Reference Range Information
Performing Location Reference Range
​Mayo  Medical Laboratories ​Negative (for all targets)
Interpretation
A negative result should not rule-out infection in patients with a high pretest probability for gastrointestinal infection. The assay does not test for all potential infectious agents of diarrheal disease.
 
Positive results do not distinguish between a viable or replicating organism and the presence of a nonviable organism or nucleic acid, nor do they exclude the potential for coinfection by organisms not contained within the panel.
 
Results of the panel are intended to aid in the diagnosis of illness and are meant to be used in conjunction with other clinical and epidemiological findings.
 
In some cases, there may be local public health requirements that impact Mayo Medical Laboratories (MML) clients and require additional testing on specimens with positive results from this panel. Clients should familiarize themselves with local requirements. MML recommends that clients retain an aliquot of each specimen submitted for this test to perform additional testing themselves, as needed. If necessary, selected add-on tests can be performed by MML at an additional charge, as detailed below. Call MML within 96 hours of specimen collection to request supplemental testing for positive GIP test results:
 
Gastrointestinal Pathogen Panel Positive for
Client Action
Campylobacter species
Salmonella species
Shigella/Enteroinvasive E coli
Yersinia species
Request add on test:� STL / Enteric Pathogens Culture, Stool
(for the Shigella/Enteroinvasive E coli target, the culture will assess for Shigella species only)
Vibrio species
Request add on test:� VIBC / Vibrio Culture, Stool
Shiga toxin-producing E coli
E coli O157
Request aliquot of stool be returned to client for submission to their state or city department of health
 
MML will report such culture results to the client for Enteric Pathogens Culture or Vibrio Culture when ordered. If cultures are positive and the client is in need of the isolated organism (eg, Campylobacter, Salmonella, Shigella, Yersinia, or Vibrio species) for submission to a public health laboratory, the client needs to call MML and request that the isolates be returned to them (the client). The client will be responsible for submitting the isolates to the appropriate public health department. Positive culture results will also be reported via the Electronic Clinical Laboratory Reporting System (ECLRS).
Alternatively (not preferred), clients who want a patient specimen returned from MML should call MML as soon as possible and at the latest within 96 hours of specimen collection to request that MML return an aliquot of the submitted specimen to them. Clients will be responsible for submitting specimens to appropriate public health departments.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Mayo Medical Laboratories ​Monday through Sunday ​2-7 days ​Multiplex Polymerase Chain Reaction (PCR)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​87507 ​1
For most current information refer to the Marshfield Laboratory online reference manual.