Pharmacogenomic Testing for Warfarin Responsiveness Claims Editing Incorrectly

A system error caused claims submitted with HCPCS code G9143 for dates of service on or after October 1, 2015, to edit incorrectly. Your Medicare Administrative Contractor will correct all affected claims. No provider action is required.

Source: https://www.cms.gov/Outreach-and-Education/Outreach/FFSProvPartProg/Downloads/2016-01-07-eNews.pdf