Alert detail
LCD L36351: Lab: Special Histochemical Stains and Immunohistochemical Stains — Noridian
What changed
New lab stain guidelines could affect your billing.
Who’s affected: Clinical Laboratory billing teams · Effective: November 2, 2025
Primary source: View the official CMS/MAC document ↗
Get the action steps and full analysis
This change affects 7 billing codes.
The full analysis, the revision comparison and the as-of-date version of this policy are what a partner packet carries. The source document above is free and always will be.