Q2037 HCPCS code: Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)

Q2037 is the HCPCS Level II code for influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin). In 2024 Medicare paid an average of $17.19 per service for Q2037 across 16 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 1 per day on outpatient hospital claims. Medicare volume rose 45% from 2022 to 2024 (11 to 16 services). In 2024, about 16 clinicians billed Medicare for Q2037 for 16 beneficiaries.

Code details

FieldValue
SectionQ codes — Temporary codes
Coverage codeD — Special coverage instructions apply
Pricing indicator54
BETOS categoryO1G — Immunizations/vaccinations
Added2011-01-01
Last action effective2014-01-01

Who bills Q2037 (2024)

MeasureValue
Clinicians billing (by place of service)16
Medicare beneficiaries16
States with claims0

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

Medicare utilization for Q2037, 2022–2024

YearServicesBeneficiariesAvg. allowedAvg. paid
20221111$20.76$20.76
20241616$17.19$17.19

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 Q2037

Frequently asked questions

What is HCPCS code Q2037?

Q2037 is the HCPCS Level II code for influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin). Short descriptor: "Fluvirin vacc, 3 yrs & >, im".

How much does Medicare pay for Q2037?

In 2024, the average Medicare payment was $17.19 per service (average allowed $17.19).

Does Medicare cover Q2037?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Which diagnoses support coverage for Q2037?

Medicare policy articles that cite Q2037 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 Q2037 can be billed per day?

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

Related Q20 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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