STRAT – “Stratify JCV Ab (w/Index) w/Ref to Inhib Assay” replaced by STRAB – “Stratify JCV Ab (w/Index) w/Ref to Inhib Assay”

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Inactivated/Replace Test

Effective Date

02/11/2025

Included in Report

WML Test Directory Update | February 2025

Replacement Test

STRATIFY JCV Ab (w/Index) w/Ref to INHIB ASSAY

Inactivated Test Details

Mnemonic

STRAT

Ordering Code

3400812

CPT-4 Codes(s)

86711

Replacement Test Details

Mnemonic

STRAB

Ordering Code

3400974

CPT-4 Codes(s)

86711

Turnaround Time
4 - 8 days
Performed
Monday - Saturday
Legacy Code
STRAB
Example report
Download

Specimen Information

Collect

Serum Separator Tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis, Grossly lipemic, Grossly icteric

Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 90 days

Methodology

Immunoassay
more

Reference Range

Negative
more

Performing Laboratory

Quest
more

New York DOH Approval Status

Yes
more

Interface Map for STRAB

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Stratify JCV Ab (w/Index) w/Ref to Inhib Assay3400974
3400976Natalizumab Therapy?Yes
3400813 Index Value100977-8 No
3400814JCV Antibody70173-0 No
3400828 Stratify JCV Antibody Inhibition Assay70173-0No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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