Complete ICD-10-CM coding and documentation guide for icd-10 coding for tick bite includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Tick Bite
Use ICD-10 code S40.861A for insect bite (nonvenomous) of right upper arm, initial encounter, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Bitten or stung by nonvenomous insect and other nonvenomous arthropods, initial encounter
Use as secondary code to indicate the external cause of the injury.
The ICD-10 code for a tick bite is W57.XXXA, used as a secondary code to indicate the external cause. A site-specific injury code, such as S40.861A, should be used as the primary code.
For a tick bite with confirmed Lyme disease, use the primary injury code (e.g., S40.861A), the external cause code W57.XXXA, and A69.20 for Lyme disease.