A4641 — Radiopharmaceutical, diagnostic, not otherwise classified
HCPCS/CPT
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Medicare Pricing
Work RVU
0.00
Facility
N/A
Non-Facility
N/A
Documentation Required
- For services requiring a referring/ordering physician, the referring/ordering physician's name and NPI must be reported on the claim.
- When an ABN is used, Form CMS-R-131 must be signed by the beneficiary; for Part A MAC claims include occurrence code 32 and the ABN date on the claim.
- Claims must include a valid ICD-10-CM diagnosis code that best describes the patient's condition for which the service was performed.
- Hospital inpatient claims must report the principal diagnosis in UB-04 FL67 and the admitting diagnosis in FL69, with up to eight additional ICD-10-CM codes in FLs 67A-67Q as applicable.
Key Coverage Criteria
- Sentinel lymph node biopsy is covered for identification, removal, and pathologic evaluation of sentinel lymph nodes to stage and assess regional lymph node metastasis for malignant tumors.
- Preoperative lymphoscintigraphy to locate sentinel node(s) is covered and should be reported separately when performed prior to the surgical procedure.
- Injection of radioactive tracer or vital dye for sentinel node localization is covered when performed without lymphoscintigraphy or when performed by the operating surgeon, reported with the appropriate injection code.
- Under Medicare Part B, CPT codes 38500, 38510, 38525 and 38530 are payable in inpatient hospital (21), outpatient hospital (22) and ambulatory surgical center (24) places of service.
- CPT codes 38792, 38900 and 78195 are payable in office (11), inpatient hospital (21), outpatient hospital (22), ambulatory surgical center (24), and independent clinic (49); CPT 78195 global/TC is payable in office (11) and independent clinic (49).
- For claims using not otherwise classified (NOC)/unlisted HCPCS codes J3490, J3590, J9999, A4641, or A9699 with limited or specific indications, submit required documentation in the claim remarks field (Field Locator 80 on the UB-04) or the equivalent 5010 electronic claim field so Palmetto GBA can ascertain FDA labeling indications have been met.
4 Active Policies
A52437 — Billing and Coding: Sentinel Lymph Node Biopsy Medical Policy Article
A54880 — Billing and Coding: Additional Claim Documentation Requirements for Not Otherwise Classified (NOC) Drugs and Biological Products with Specific FDA Label Indications
A56476 — Billing and Coding: Cardiac Radionuclide Imaging
L33457 — Cardiac Radionuclide Imaging
Related Codes
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