A9601 HCPCS code: Flortaucipir f 18 injection, diagnostic, 1 millicurie
A9601 is the HCPCS Level II code for flortaucipir f 18 injection, diagnostic, 1 millicurie. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 10 per day on outpatient hospital claims.
Code details
| Field | Value |
|---|---|
| Section | A codes — Transportation, medical/surgical supplies and miscellaneous |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 57 |
| BETOS category | I1E |
| Added | 2022-07-01 |
| Last action effective | 2022-07-01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 10 | Prescribing Information |
| practitioner claims | 10 | Prescribing Information |
Medicare policy articles for this code
- A53134: Billing and Coding: NCD Coding Article for Positron Emission Tomography (PET) Scans Used for Non-Oncologic Conditions (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B))
- A59049: Billing and Coding: NCD Coding Article for Positron Emission Tomography (PET) Scans Used for Non-Oncologic Conditions (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B))
- A59318: Billing and Coding: Positron Emission Tomography (PET) Scan for Inflammation and Infection (CGS Administrators, LLC (MAC - Part A, MAC - Part B))
Covered diagnoses (140 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| F03.90 | Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | 2 |
| F03.911 | Unspecified dementia, unspecified severity, with agitation | 2 |
| F03.918 | Unspecified dementia, unspecified severity, with other behavioral disturbance | 2 |
| F03.92 | Unspecified dementia, unspecified severity, with psychotic disturbance | 2 |
| F03.93 | Unspecified dementia, unspecified severity, with mood disturbance | 2 |
| F03.94 | Unspecified dementia, unspecified severity, with anxiety | 2 |
| F03.A0 | Unspecified dementia, mild, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety | 2 |
| F03.A11 | Unspecified dementia, mild, with agitation | 2 |
| F03.A18 | Unspecified dementia, mild, with other behavioral disturbance | 2 |
| F03.A2 | Unspecified dementia, mild, with psychotic disturbance | 2 |
Showing 10 of 140. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for A9601
- 2022-07-01: A9601 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 A9601?
A9601 is the HCPCS Level II code for flortaucipir f 18 injection, diagnostic, 1 millicurie. Short descriptor: "Flortaucipir inj 1 millicuri".
Does Medicare cover A9601?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Which diagnoses support coverage for A9601?
Medicare policy articles that cite A9601 list 140 covered ICD-10-CM diagnosis codes across 3 articles. The most cited include F03.90 (Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety), F03.911 (Unspecified dementia, unspecified severity, with agitation), F03.918 (Unspecified dementia, unspecified severity, with other behavioral disturbance). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of A9601 can be billed per day?
10 on outpatient hospital claims; 10 on practitioner claims (NCCI medically unlikely edits).
Related A96 codes
- A9600 — Strontium sr-89 chloride, therapeutic, per millicurie
- A9602 — Fluorodopa f-18, diagnostic, per millicurie
- A9603 — Injection, pafolacianine, 0.1 mg
- A9604 — Samarium sm-153 lexidronam, therapeutic, per treatment dose, up to 150 millicuries
- A9606 — Radium ra-223 dichloride, therapeutic, per microcurie
- A9607 — Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie
- A9608 — Flotufolastat f 18, diagnostic, 1 millicurie
- A9609 — Fludeoxyglucose f18 up to 15 millicuries
- A9610 — Xenon xe-129 hyperpolarized gas, diagnostic, per study dose
- A9611 — Flurpiridaz f 18, diagnostic, 1 millicurie
- A9612 — Injection, fluorescein, 1 mg
- A9615 — Injection, pegulicianine, 1 mg
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Next steps
- Run a reimbursement report for a device billed under A9601
- Watch A9601 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for A9601
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.