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HelpTest ID KRASW KRAS Somatic Mutation Analysis, Peritoneal Fluid
Necessary Information
1. A pathology report (final or preliminary) is required and must accompany specimen for testing to be performed.
2. The following information must be included in the report provided.
-Patient name and second identifier
-Date of fluid collection
-Source of the fluid
Specimen Required
Container/Tube: 50-mL Falcon tube
Preferred: Fresh, peritoneal washing; no fixatives added to wash
Specimen Volume: Two 50-mL Falcon tubes
Collection Instructions: Containers must be labeled with two unique patient identifiers.
Secondary ID
616452Useful For
Staging of the pancreatic ductal adenocarcinoma(1)
Special Instructions
Specimen Type
PeritonealSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Peritoneal | Refrigerated (preferred) | 10 days |
| Ambient | 5 days |
Reject Due To
| Fixative added | Reject |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Report Available
5 to 10 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
81275-KRAS (v-Ki-ras2 Kirsten rat sarcoma viral oncogene) (eg, carcinoma) gene analysis, variants in codons 12 and 13
81276-KRAS (v-Ki-ras2 Kirsten rat sarcoma viral oncogene) (eg, carcinoma) gene analysis, additional variants