Billing and Coding: MolDX: Proteomics Testing (A59641) - R11 - Effective October 1, 2025

Date Posted: October 23, 2025

This Billing and Coding article has been revised and published for notice under contract numbers: 01111 (CA), 01211 (AS, GU, HI, NMI), 01311 (NV), and 01911 (CA, HI & Territories).

Effective Date: October 1, 2025

Summary of Article Changes:

Under CPT/HCPCS Codes Group 1: Codes added 0577U, 0579U, 0591U, and 0599U. This revision is due to the 2025 Q4 CPT/HCPCS Code Update and is effective 10/1/2025.

Under CPT/HCPCS Codes Group 1: Codes added 0166U. This revision is effective 1/31/2024.

Visit the Noridian Active MolDX Billing and Coding Articles and Educational Articles webpage to view the Billing and Coding article or access it via the CMS MCD.

Last Updated Oct 23 , 2025