Traditional MedicareCoverageMedium impact
Gamma Glutamyl Transferase
Medicare/CMS - NCD·Internal Medicine, Gastroenterology, Nephrology +1 more·National Coverage Determination
We identified it
Oct 2, 2026
Summary
This is a National Coverage Determination for Gamma Glutamyl Transferase (GGT), a laboratory test. The policy was last updated on 10/1/2026 and is available in the CMS Medicare Coverage Database. Without access to the full policy text content, the specific coverage criteria, limitations, or changes cannot be determined from the provided information.
Action Required
Billing team should review the complete NCD 190.32 policy at https://www.cms.gov/medicare-coverage-database/data/ncd?ncdid=153&ncdver=1 to identify: (1) whether GGT testing requires prior authorization, (2) applicable CPT or HCPCS codes for GGT testing, (3) any coverage limitations or medical necessity criteria, and (4) any changes from previous policy versions. Once the full policy details are obtained, update billing software, claim submission processes, and provider documentation templates accordingly. Communicate changes to providers and clinical staff.