KIF6 Genotype Coding and Billing Guidelines (CM00042)
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October 20, 2015

KIF6 Genotype Coding and Billing Guidelines (CM00042)

The MolDX Team has completed a review on the KIF6 genotype test. To date, there is insufficient evidence to support the required clinical utility for the established Medicare benefit category. Therefore, the KIF6 genotype test is a statutorily excluded test.

To receive a KIF6 service denial, please submit the following claim information:

CPT code 81479 –Unlisted molecular pathology procedure

An Advance Beneficiary Notice (ABN) is not required for statutorily excluded services

For a voluntary issued ABN, append with GX modifier

To indicate a statutorily excluded service, append with a GY modifier

Select the appropriate diagnosis for the patient

Enter the appropriate Z-Code Identifier adjacent to each indicated code for the test in the comment/narrative field for the following claim field/types:

Loop 2300 NTE01 for Part A or Loop 2400 or SV101-7 for the 5010A1 837P for Part B

Form locator 80 for Part A or Box 19 for Part B 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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