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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.

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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 codeShort descriptionModifier indicator
83090Assay of homocysteine1 - modifier may bypassCheck pair
96523Irrig drug delivery device0 - no modifier bypassCheck 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 codeShort descriptionModifier indicator
0063U1Check pair
0170U1Check pair
0289U1Check pair
0290U1Check pair
0296U1Check pair
0322U1Check pair
0412U1Check pair
82131Amino acids single quant1Check pair
82136Amino acids quant 2-51Check pair
82233Beta-amyloid 1-40 (abeta 40)1Check pair
82234Beta-amyloid 1-42 (abeta 42)1Check pair
84393Tau phosphorylated ea1Check pair
84394Total tau1Check 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.