82139 Amino acids quan 6 or more
What 82139 is
CMS fee schedule short descriptor: Amino acids quan 6 or more.
Full CPT long descriptions are licensed by the American Medical Association and are not published on this site; the short descriptor above is the one CMS prints in its own fee schedule file. See About CPT.
Medicare payment for 82139 (CY2026)
This code has no Physician Fee Schedule rate: Statutory exclusion - not payable under the Physician Fee Schedule. It may be paid under a different fee schedule (clinical laboratory, DMEPOS, anesthesia) or not paid at all - check the relevant CMS schedule.
Medically Unlikely Edit (MUE)
Medicare caps 82139 at 2 units per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Clinical: Data. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 82139? These codes are bundled into it
82139 is a Column 1 code in 2 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.
| Column 2 code | Short description | Modifier indicator | |
|---|---|---|---|
83090 | Assay of homocysteine | 1 - modifier may bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | Check pair |
82139 is bundled into these codes
82139 appears as a Column 2 code in 13 active edits. Reported with one of these Column 1 codes on the same date of service, 82139 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
0063U | 1 | Check pair | |
0170U | 1 | Check pair | |
0289U | 1 | Check pair | |
0290U | 1 | Check pair | |
0296U | 1 | Check pair | |
0322U | 1 | Check pair | |
0412U | 1 | Check pair | |
82131 | Amino acids single quant | 1 | Check pair |
82136 | Amino acids quant 2-5 | 1 | Check pair |
82233 | Beta-amyloid 1-40 (abeta 40) | 1 | Check pair |
82234 | Beta-amyloid 1-42 (abeta 42) | 1 | Check pair |
84393 | Tau phosphorylated ea | 1 | Check pair |
84394 | Total tau | 1 | Check pair |
Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.