90684 Pcv21 vaccine im
What 90684 is
CMS fee schedule short descriptor: Pcv21 vaccine im.
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 90684 (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 90684 at 1 unit per date of service for practitioner claims (MAI 2 - date of service edit (absolute): units above the MUE never pay), rationale: Code Descriptor / CPT Instruction. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with 90684? These codes are bundled into it
90684 is a Column 1 code in 5 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 | |
|---|---|---|---|
36591 | Draw blood off venous device | 0 - no modifier bypass | Check pair |
36592 | Collect blood from picc | 0 - no modifier bypass | Check pair |
90677 | Pcv20 vaccine im | 0 - no modifier bypass | Check pair |
90732 | Ppsv23 vacc 2 yrs+ subq/im | 0 - no modifier bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | Check pair |
90684 is bundled into these codes
90684 appears as a Column 2 code in 1 active edits. Reported with one of these Column 1 codes on the same date of service, 90684 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
90671 | Pcv15 vaccine im | 0 | 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.