ICD-10-CM Section · U00-U49

Provisional assignment of new diseases of uncertain etiology or emergency use

5 codes in this section

5
Total Codes
3
Billable
2
Header (Non-Billable)
2
Top-Level Codes

About Section U00-U49

Section U00-U49 (U00-U49) covers provisional assignment of new diseases of uncertain etiology or emergency use. It sits within the Codes for special purposes chapter (U00-U85). This section contains 5 ICD-10-CM codes, 3 billable diagnoses you can submit on a claim, and 2 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in U00-U49

Grouped by 3-character root code. Click any code for full detail.

U07 Emergency use of U07
2 subcodes
U07.0 Vaping-related disorder Billable
U07.1 COVID-19 Billable
U09 Post COVID-19 condition
1 subcode
U09.9 Post COVID-19 condition, unspecified Billable
← Back to Codes for special purposes (U00-U85)

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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