Billing and Coding: MolDX: Proteomics Testing (A59642) - 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: 02102 (AK), 02202 (ID), 02302 (OR), 02402 (WA), 03102 (AZ), 03202 (MT), 03302 (ND), 03402 (SD), 03502 (UT), and 03602 (WY).

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.

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Last Updated Oct 23 , 2025