Lab Billing Newsflash
Week of October 12, 2026
CMS's preliminary 2027 CLFS rate data confirms significant downward pressure on lab reimbursement — molecular and genomic labs face the largest projected reductions, and the public comment window closes October 21.
Preliminary 2027 Medicare Lab Rates Show Broad Cuts; Comment Window Closes October 21
On September 21, CMS released preliminary CY 2027 CLFS payment rates based on the second full PAMA private-payor data reporting cycle.
Q4 CLFS/CLIA Update Is Live
CR 14569 took effect October 1, adding new CPT codes, deleting others, and incorporating quarterly CLIA and waived-test updates.
ICD-10 FY2027 Codes Now in Effect
The FY2027 ICD-10-CM update, effective October 1, 2026, introduces 190 new codes, 30 deletions, and four revisions, applicable through September 30, 2027.
Anthem Now Covers Alzheimer's Blood Biomarker Tests — Documentation Required
Anthem's revised medical policy, effective October 1, 2026, establishes medical-necessity criteria that could support reimbursement for several blood-based Alzheimer's…
UHC Community Plan: Flow Cytometry and Fecal Calprotectin Policies Incoming
UnitedHealthcare Community Plan will implement a Flow Cytometry Policy reimbursing immunophenotyping codes only when billed for certain specified conditions.
NCD Edit Software Updated; Diagnosis Mismatches Will Deny
CR 14536, effective October 1 with MAC implementation October 5, adds and deletes ICD-10-CM codes within the laboratory NCD edit module.
October 21, 2026 — CMS Deadline: Comments on Preliminary CY2027 CLFS Medians
CMS is accepting comments on the preliminary CY 2027 weighted median data through October 21, 2026.
November 2026 — Final CY2027 CLFS Rates and PFS Final Rule Expected
CMS will publish final CY 2027 CLFS rates in November 2026. The CY2027 Physician Fee Schedule final rule is also expected by November 1, with most changes effective…