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Test Code
Laboratory Section
Test Category
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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Synonyms, Keywords
Test Components
22850RABIESRabies Antibody Screen, RFFIT
22851RAPSTRapid Strep Screen
​Rapid Group A Strep, Group A Strep Antigen
25502RASFPSORAS/RAF Targeted Gene Panel, Tumor (RASFP)
Tumor panel, Oncology panel, NRAS, KRAS, HRAS, BRAF
22852Red Cell Antigen Typing
Antigen Typing, Rare Factor​
22853REDReducing Substance - Stool
26041UREDFSOReducing Substance, Feces (UREDF)
stool sugar, fecal sugar

Screening test (Benedict's Copper Reduction Reaction) for:

Diarrhea from disaccharidase deficiencies, (eg, lactase deficiency)

Monosaccharide malabsorption

22163MISCRenal Acidification Test, Urine
Acidification Test, Renal Acidosis Study, Wong and Davies Test​
22857HMISCRenal Biopsy
​Histology, Immunofluorescence Antibodies, Kidney, Direct FA Renal Biopsy, DIF, IF, Surgical Pathology

Surgical Pathology, Gross and Microscopic Examination H&E Surgical Pathology, Gross and Microscopic Examination H&E (G&M)

Special Stains – PAS, Masson Trichrome, Jones, and Congo Red

2. Electron Microscopy (EM)

3. Direct Immunofluorescence (DIF) - IgA IF, IgG IF, IgM IF, C3 IF, Fibrinogen IF, C1q IF, Kappa IF, and Lambda IF.

22855RIRenal Failure Indices
Fractional Excretion of Sodium, Renal Failure Index, RFI​
Urine Creatinine and Sodium
Blood Creatinine and Sodium​
22856RFPRenal Function Panel
 Kidney Panel​
Albumin, Bicarbonate, Urea Nitrogen, Calcium, Chloride, Creatinine, Glucose, Potassium, Sodium, Phosphorus, Anion Gap, and Estimated glomerular filtration rate ​
22858PRASORenin Activity, Plasma (PRA)
Renin Activity, Plasma​
26111REPOWERRepower, Lipid & FBS
​Includes LIPO (CHOL, TRIG, HDL, LDL, and Non-HDL Cholesterol), and FBS (Fasting Blood Sugar)
25467REPTSOReptilase Time (RPTL)
Reptilase Time, Plasma
RT (Reptilase Time)
25247FARPRespiratory Panel by PCR
​Respiratory Virus, Virus Culture, Flu, RSV, Adeno, Entero, Rhino Virus
​Adenovirus, Coronavirus 229E, Coronavirus HKU1, Coronavirus NL63, Coronavirus OC43, Enterovirus/Rhinovirus, Human Metapneumovirus, Influenza A H1, Influenza A H1-2009, Influenza A H3, Influenza B, Parainfluenza 1, Parainfluenza 2, Parainfluenza 3, Parainfluenza 4, Respiratory Syncytial Virus, Bordetella pertussis, Chlamydophilia pneumoniae,  and Mycoplasma pneumoniae.
24793RSVNATRespiratory Syncytial Virus (RSV) Nucleic Acid Test (NAT)
22859MISCRespiratory Syncytial Virus Antibody, IgG and IgM (SRSV)
​Ref Lab Code: 8301, Respiratory Syncytial Virus Antibodies, IgG and IgM (Separate Determination
RSV (Respiratory Syncytial Virus) Antibody
22860RS-AGRespiratory Syncytial Virus Antigen, Rapid
​RSV Antigen
22861RETICReticulocyte Count
​Retic Count
25119RRBPSORetinol-Binding Protein, Random, Urine (RRBP)
​Ref Lab Code: 84447
22731RARheumatoid Factor (RA)
Rheumatoid Factor by latex​
22732RHIGRH-Immune Globulin
RHo-Gam, RhIg​
24933VITB2SORiboflavin (Vitamin B2), Plasma (VITB2)
​Ref Lab Code: 61637, Riboflavin, Vitamin B2
23299RIBOPRibonucleoprotein P Antibody
​Ribosomal P
25101RISPRSORisperidone and 9-Hydroxyrisperidone (757)
26025RNAPSORNA Polymerase III Antibodies, IgG, Serum (RNAP)
RNA Polymerase III Ab, IgG, S
25403FROS1SOROS1 (6q22) Rearrangement, FISH, Tissue (ROS1F)
​ROS1, Lung carcinoma, Non-small cell lung cancer, NSCLC
22733ROAGRotavirus Antigen Test
22862RUBELLARubella Immune Status
 German Measles Antibody​
25567RBPCRSORubella Virus, PCR (VR01725)
German measles, Rubeola, PCR
25149RUFINSORufinamide, Serum (RUFI)