G2193 HCPCS code: Patients with clinical indications for imaging of the head: new onset headache in pre-school children or younger (<6 years of age)
G2193 is the HCPCS Level II code for patients with clinical indications for imaging of the head: new onset headache in pre-school children or younger (<6 years of age). Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 00 — Not separately priced by Medicare |
| BETOS category | Z2 |
| Added | 2021-01-01 |
| Last action effective | 2021-01-01 |
Medicare policy articles for this code
- A56612: Billing and Coding: CT of the Head (Palmetto GBA (MAC - Part A, MAC - Part B))
- A56612: Billing and Coding: CT of the Head (Palmetto GBA (MAC - Part A, MAC - Part B))
Covered diagnoses (7,599 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| A06.6 | Amebic brain abscess | 1 |
| A17.0 | Tuberculous meningitis | 1 |
| A17.1 | Meningeal tuberculoma | 1 |
| A17.81 | Tuberculoma of brain and spinal cord | 1 |
| A17.82 | Tuberculous meningoencephalitis | 1 |
| A17.83 | Tuberculous neuritis | 1 |
| A17.89 | Other tuberculosis of nervous system | 1 |
| A17.9 | Tuberculosis of nervous system, unspecified | 1 |
| A27.81 | Aseptic meningitis in leptospirosis | 1 |
| A39.0 | Meningococcal meningitis | 1 |
Showing 10 of 7,599. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for G2193
- 2021-01-01: G2193 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code G2193?
G2193 is the HCPCS Level II code for patients with clinical indications for imaging of the head: new onset headache in pre-school children or younger (<6 years of age). Short descriptor: "<6yr new onset hd ache".
Does Medicare cover G2193?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for G2193?
Medicare policy articles that cite G2193 list 7,599 covered ICD-10-CM diagnosis codes across 2 articles. The most cited include A06.6 (Amebic brain abscess), A17.0 (Tuberculous meningitis), A17.1 (Meningeal tuberculoma). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
Related G21 codes
- G2100 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2101 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2102 — Dilated retinal eye exam with interpretation by an ophthalmologist or optometrist documented and reviewed
- G2103 — Seven standard field stereoscopic photos with interpretation by an ophthalmologist or optometrist documented and reviewed
- G2104 — Eye imaging validated to match diagnosis from seven standard field stereoscopic photos results documented and reviewed
- G2105 — Patient age 66 or older in institutional special needs plans (snp) or residing in long-term care with pos code 32, 33, 34, 54 or 56 for more than 90 consecutive days during the measurement period
- G2106 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2107 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2108 — Patient age 66 or older in institutional special needs plans (snp) or residing in long-term care with pos code 32, 33, 34, 54 or 56 for more than 90 consecutive days during the measurement period
- G2109 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and a dispensed medication for dementia during the measurement period or the year prior to the measurement period
- G2110 — Patients 66 years of age and older with at least one claim/encounter for frailty during the measurement period and either one acute inpatient encounter with a diagnosis of advanced illness or two outpatient, observation, ed or nonacute inpatient encounters on different dates of service with an advanced illness diagnosis during the measurement period or the year prior to the measurement period
- G2112 — Patient receiving <=5 mg daily prednisone (or equivalent), or ra activity is worsening, or glucocorticoid use is for less than 6 months
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Next steps
- Run a reimbursement report for a device billed under G2193
- Watch G2193 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G2193
Sources: CMS HCPCS Level II release October 2025; 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.