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22277 Chromosome Analysis, Node/Other Tissue

Chromosome Analysis, Node/Other Tissue
Test Code: CHRC-OT
Synonyms/Keywords
Karyotyping, Karyotype, Tumor, Chromosome Culture​
Useful For
Identifying chromosome anomalies in solid tumor specimens, lymph nodes, and/or effusions (body fluids).​
Collection Processing Instructions
One cubic centimeter biopsy of tumor specimen or lymph node is optimal.  Specimen should be sent to the laboratory in a sterile container with RPMI Medium, HBSS (Hanks Balanced Salt Solution), Ringers Solution, or sterile saline (listed in order of preference).
 
Body fluids should be placed in a sterile container for transport.
 
Include all pertinent clinical information and appropriate ICD-10 code(s) with the test request.  Call the Cytogenetics Lab (800-222-5835, ext. 16388) when specimen is collected.​
 
No contingent/ hold orders will be accepted Fridays or Saturdays due to loss of specimen integrity.
Contingent/ hold orders must be resolved by the client by 1500 Friday.
If notification is not received, chromosome analysis will be performed and charged. Contact the Cytogenetics Department at 715-221-6388.
Specimen Stability Information
Specimen Type Temperature Time
Lymph Node, Tumor, Effusions​ Room Temperature ​ Overnight​
Lymph Node, Tumor, Effusions​ Refrigerate​ If delay is longer than 24 hours​
Brain Tissue, Brain Tumor Room Temperature - DO NOT REFRIGERATE​
Rejection Criteria
Frozen
​Fixed in Formalin
​Necrotic Specimen
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield Monday - Friday​ 2 weeks​ Manual​
Test Information
​All patient specimens are prioritized by clinical indication.  Inquiries may be called to Cytogenetics (800-222-5835, ext. 16388).
Reference Range Information
Performing Location Reference Range
​Marshfield Interpretive Report​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
88239​ Culture​
88264​ Analyze 20-25 cells​
88280​ Additional karyotype, each​ Charge as needed​
88283​ Special banding​ Charge as needed​
88285​ Additional cell count​ Charge as needed​
88291​ Cytogenetics interpretation and report​ Charge as needed​
88237​ Culture, mitogen​ Charge as needed​
Synonyms/Keywords
Karyotyping, Karyotype, Tumor, Chromosome Culture​
Ordering Applications
Ordering Application Description
​Centricity

​a. Chrom Cuture, Node/Other

b. Chrom Cult Chromatin Antibodies

​Cerner ​Chromosome Analysis, Node/Other Tissue
​COM ​Chrom Cult-Node/Other
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Collection Processing
One cubic centimeter biopsy of tumor specimen or lymph node is optimal.  Specimen should be sent to the laboratory in a sterile container with RPMI Medium, HBSS (Hanks Balanced Salt Solution), Ringers Solution, or sterile saline (listed in order of preference).
 
Body fluids should be placed in a sterile container for transport.
 
Include all pertinent clinical information and appropriate ICD-10 code(s) with the test request.  Call the Cytogenetics Lab (800-222-5835, ext. 16388) when specimen is collected.​
 
No contingent/ hold orders will be accepted Fridays or Saturdays due to loss of specimen integrity.
Contingent/ hold orders must be resolved by the client by 1500 Friday.
If notification is not received, chromosome analysis will be performed and charged. Contact the Cytogenetics Department at 715-221-6388.
Specimen Stability Information
Specimen Type Temperature Time
Lymph Node, Tumor, Effusions​ Room Temperature ​ Overnight​
Lymph Node, Tumor, Effusions​ Refrigerate​ If delay is longer than 24 hours​
Brain Tissue, Brain Tumor Room Temperature - DO NOT REFRIGERATE​
Rejection Criteria
Frozen
​Fixed in Formalin
​Necrotic Specimen
Useful For
Identifying chromosome anomalies in solid tumor specimens, lymph nodes, and/or effusions (body fluids).​
Reference Range Information
Performing Location Reference Range
​Marshfield Interpretive Report​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
​Marshfield Monday - Friday​ 2 weeks​ Manual​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
88239​ Culture​
88264​ Analyze 20-25 cells​
88280​ Additional karyotype, each​ Charge as needed​
88283​ Special banding​ Charge as needed​
88285​ Additional cell count​ Charge as needed​
88291​ Cytogenetics interpretation and report​ Charge as needed​
88237​ Culture, mitogen​ Charge as needed​
For most current information refer to the Marshfield Laboratory online reference manual.