Posted Date
Effective Date
Update Type
Test Code Change
HLA LABORATORY NEW TEST CODES FOR DISCRETE RESULT REPORTING
The MLabs Histocompatibility (HLA) Laboratory has updated the following test codes to allow discrete data reporting effective December 17, 2025. Also note that all Disease Association testing has moved to a high-resolution testing (NGS) methodology to provide the highest quality test resulting for patients and clinicians.
| Test Name | New Test Code | Replaces | Fee Code | CPT Code |
|---|---|---|---|---|
| HLA High Resolution A Locus | HHRA | ALOC, BSHT | 37960 | 81380 |
| HLA High Resolution B Locus | HHRB | CARB, ABAC, ANKYL, UVEI, BEHC, BLOC | 37960 | 81380 |
| HLA High Resolution C Locus | HHRC | CLOC | 37960 | 81380 |
| HLA High Resolution DRB1 Locus | HDRB1 | DRLOC | 37961 | 81382 |
| HLA High Resolution DRw Locus | HR345 | 345LC | 37961 | 81382 |
| Celiac Disease Panel (High Resolution DQB, DQA) | CELIA | CELI | OA014 | 81383 x2 |
| Narcolepsy Panel (High Resolution DQB, DQA) | NARCO | NARC | OA014 | 81383 x2 |
| HLA High Resolution DQB, DQA | DQLOH | DQLOC | OA014 | 81383 x2 |
| HLA High Resolution DPB, DPA | DPLOH | DPLOC | OA014 | 81383 x2 |
| HLA Class I Typing High Resolution | HLC1H | HLC1L | OA012 | 81381 x3 |
| HLA Class II Typing High Resolution | HLC2H | HLC2L | OA013 | 81383 x6 |