TERC Gene Tests Coding and Billing Guidelines (CM00066)
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October 27, 2015

TERC Gene Tests Coding and Billing Guidelines (CM00066)

Effective for dates of service on and after June 25, 2013.

Since the associated conditions associated with telomerase RNA component (TERC) gene testing is limited to reproductive risk assessment, the MolDX team has determined TERC gene testing is a statutorily excluded service. MolDX will also deny tests that include one or more of TERC analysis reported with CPT code 81479 as a statutorily excluded service.

To receive a TERC analysis service denial, please submit the following claim information:

  • CPT code 81479 – Unlisted molecular pathology procedure
  • An Advance Beneficiary Notice of Non-Coverage (ABN)External Website is not required for statutorily excluded services.
    • For a voluntary issued ABN, append with HCPCS modifier GX
    • To indicate a valid ABN is on file for a known statutorily excluded service, append with HCPCS modifier GY
  • Select the appropriate diagnosis for the patient
  • Enter the appropriate identifier adjacent to the CPT code in the comment/narrative field for the following claim field/types:
    • Part A: Loop 2300 NTE 01 (electronic claim); Form Locator 80 (paper claim)
    • Part B: Loop 2400 or SV101-7 (electronic claim); Item 19 (paper claim)

Reference: Sec. 1862 (1)(A) Statutory Exclusion covers diagnostic testing “except for items and services that are not reasonable and necessary for the diagnosis or treatment of illness or injury or to improve the functioning of a malformed body member,…”


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