Day: June 2, 2026

ICD-10 tick bite coding 2026 hero banner: W57.XXXA external cause code, mandatory S-code primary sequencing, three X placeholder rule, CPT 10120 versus 20220 correction, and 7th character A/D/S encounter phases.

By Claim Max RCM June 2, 2026 Comments (0)

ICD-10 Tick Bite Coding: W57.XXXA, CPT Codes, and 2026 Billing Guide

ICD-10 tick bite coding requires two diagnosis codes per FY2026 ICD-10-CM Official Guidelines: a primary site-specific injury code (S-code) that documents where the bite occurred, and a secondary external cause code (W57.XXXA) that documents the tick

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Day: June 2, 2026

ICD-10 Tick Bite Coding: W57.XXXA, CPT Codes, and 2026 Billing Guide