G0009 HCPCS code: Administration of pneumococcal vaccine

G0009 is the HCPCS Level II code for administration of pneumococcal vaccine. In 2024 Medicare paid an average of $29.96 per service for G0009 across 1,730,773 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume rose 7% from 2022 to 2024 (1,616,165 to 1,730,773 services). In 2024, about 130,242 clinicians billed Medicare for G0009 for 1,718,971 beneficiaries; Florida, California, Texas accounted for 25% of services.

Code details

FieldValue
SectionG codes — Procedures and professional services (temporary)
Coverage codeC — Carrier judgment
Pricing indicator54
BETOS categoryO1G — Immunizations/vaccinations
Added1994-01-01
Last action effective1996-01-01

Who bills G0009 (2024)

MeasureValue
Clinicians billing (by place of service)130,242
Medicare beneficiaries1,718,971
States with claims58
Share of services in top 3 states (Florida, California, Texas)25%

Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.

Medicare utilization for G0009, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20221,616,1651,605,094$28.12$28.12
20232,088,9492,074,580$27.56$27.56
20241,730,7731,718,971$29.96$29.96

States with the most G0009 services (2024)

StateServicesAvg. paid
Florida172,894$30.54
California155,808$32.89
Texas103,216$28.07
New York89,693$33.38
Pennsylvania76,273$30.32

NCCI unit limits (MUE)

Claim typeMax units per dayRationale
outpatient hospital claims1Code Descriptor / CPT Instruction
practitioner claims1Code Descriptor / CPT Instruction

Medicare policy articles for this code

Covered diagnoses (3,490 ICD-10-CM codes)

The diagnoses most often listed as covered in the policy articles above:

ICD-10-CMDiagnosisArticles listing it
S00.01XAAbrasion of scalp, initial encounter1
S00.02XABlister (nonthermal) of scalp, initial encounter1
S00.04XAExternal constriction of part of scalp, initial encounter1
S00.05XASuperficial foreign body of scalp, initial encounter1
S00.06XAInsect bite (nonvenomous) of scalp, initial encounter1
S00.07XAOther superficial bite of scalp, initial encounter1
S00.201AUnspecified superficial injury of right eyelid and periocular area, initial encounter1
S00.202AUnspecified superficial injury of left eyelid and periocular area, initial encounter1
S00.211AAbrasion of right eyelid and periocular area, initial encounter1
S00.212AAbrasion of left eyelid and periocular area, initial encounter1

Showing 10 of 3,490. The full list, non-covered diagnoses and CSV export are in Caduvo.

What changed for G0009

Frequently asked questions

What is HCPCS code G0009?

G0009 is the HCPCS Level II code for administration of pneumococcal vaccine. Short descriptor: "Admin pneumococcal vaccine".

How much does Medicare pay for G0009?

In 2024, the average Medicare payment was $29.96 per service (average allowed $29.96).

Does Medicare cover G0009?

Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.

Which diagnoses support coverage for G0009?

Medicare policy articles that cite G0009 list 3,490 covered ICD-10-CM diagnosis codes across 1 article. The most cited include S00.01XA (Abrasion of scalp, initial encounter), S00.02XA (Blister (nonthermal) of scalp, initial encounter), S00.04XA (External constriction of part of scalp, initial encounter). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.

How many units of G0009 can be billed per day?

1 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).

Related G00 codes

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Next steps

Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

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