ADABR – “Adrenal Antibody Screen with reflex to Titer” replaced by 21HYD – “21-Hydroxylase Ab, Serum”

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Inactivated/Replace Test

Effective Date

01/06/2026

Included in Report

WML Test Directory Update | January 2026

Replacement Test

21-HYDROXYLASE AB, SERUM

Inactivated Test Details

Mnemonic

ADABR

Ordering Code

3400328

CPT-4 Codes(s)

86255, plus 86256 if reflexed to titer, at additional fee

Replacement Test Details

Mnemonic

21HYD

Ordering Code

3687160

CPT-4 Codes(s)

83516

Turnaround Time
3 - 8 days
Performed
Tuesday, Friday
Legacy Code
21HYDAB
Example Report
Download

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly hemolyzed or lipemic

Stability

After separation from cells:
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 1 month

Methodology

Qualitative Enzyme-Linked Immunosorbent Assay
more

Reference Range

Negative
more

Performing Laboratory

ARUP
more

New York DOH Approval Status

Yes
more

Interface Map for 21HYD

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
21-Hydroxylase Ab, Serum3687160
368716021-Hydroxylase Ab, Serum85363-0No

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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