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ICD-10-CM category

X31: Exposure to excessive natural cold

3 subcodes · 3 billable · Look up any code with the ICD-10 search

Codes under X31 (Exposure to excessive natural cold). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

CodeDescriptionBillable
X31.XXXAExposure to excessive natural cold, initial encounter
X31.XXXDExposure to excessive natural cold, subsequent encounter
X31.XXXSExposure to excessive natural cold, sequela

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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