U09.9 — Post COVID-19 condition, unspecified

U09.9 is the ICD-10-CM 2025 code for Post COVID-19 condition, unspecified. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

Yes, U09.9 is a billable / specific ICD-10-CM code, meaning it can be used by clinicians and hospitals as a primary or secondary diagnosis on claims and electronic health records.

U09.9 belongs to the chapter "Codes for special purposes" (codes U00-U85). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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