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Billing and Coding: MolDX: DecisionDx-UM (Uveal Melanoma)
A56981
Effective: November 16, 2023
Updated: December 31, 2025
Policy Summary
This billing and coding guideline instructs providers to report DecisionDx-UM using CPT code 81552 with 1 unit of service, include the appropriate DEX Z-Code adjacent to the CPT code on Part A and Part B claim fields, and report the applicable ICD-10-CM diagnosis code(s). Specific electronic and paper claim field locations for DEX Z-Code placement are provided (Part B: Loop 2400/SV101-7 or Box 19; Part A: Line SV202-7 or Block 80).
Coverage Criteria Preview
Key requirements from the full policy
"Report DecisionDx-UM using CPT code 81552 on the claim."
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