G9991 – Patient received any pneumococcal conjugate or polysaccharide vaccine on or after their 19th birthday and before the end of the measurement period

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Discontinued December 31, 2024 Carrier judgment

HCPCS codeG9991
Long description
Patient received any pneumococcal conjugate or polysaccharide vaccine on or after their 19th birthday and before the end of the measurement period
Short description
Pneum vax admin 19+
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2022
Last change
January 1, 2025 – No change
Termination date
December 31, 2024

Frequently asked questions

What is HCPCS code G9991?

G9991 is a HCPCS Level II code for patient received any pneumococcal conjugate or polysaccharide vaccine on or after their 19th birthday and before the end of the measurement period. It was discontinued on December 31, 2024.

Does Medicare cover G9991?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.