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Labcorp Oklahoma, Inc.
Test Directory


Index:

Squamous Cell Carcinoma Antigen

Order Name Sqm Carc Ag
Test Number: 3650700
Revision Date 04/24/2025
Test Name Methodology LOINC Code
Squamous Cell Carcinoma Antigen
Immunofluorescence Assay (IFA) 9679-2 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 0.5 mL (0.2 mL) Serum Clot Activator (SST or Red No-Gel) Frozen
Instructions Specimen Type: Red-top tube or gel-barrier tube
Collection: Centrifuge and aliquot serum into a plastic vial. Do not submit in original tube.
Specimen Storage: Frozen
Specimen Collection: Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Special Instructions: Testing referred to Mayo Medical Laboratory ;V#SCCA
Specimen Stability: Ambient: 7 days, Refrigerated : 7 days, Frozen: 90 days
?Cause for Rejection: Gross hemolysis, gross lipemia, or gross icterus
GENERAL INFORMATION
Expected TAT 11 days 
CPT Code(s) 86316
Internal Comments 12/9/2016 - Added to RML Online - JLS
02/16/21 Updated min.vol, stability - SN
4/24/25 changed lca code from 831056 to  833599- JK
Lab Section Reference Lab