U09.9 – Post COVID-19 condition, unspecified

ICD-10-CM 2027 diagnosis code · Provisional assignment of new diseases of uncertain etiology or emergency use

Billable code

ICD-10-CM code U09.9

Code: U09.9 (claims format: U099)
Description: Post COVID-19 condition, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 22. Codes for special purposes (U00-U85)
Block: U00-U49 Provisional assignment of new diseases of uncertain etiology or emergency use
Parent codes: U09

Notes for U09.9

Applicable to:

Post-acute sequela of COVID-19

Code first:

the specific condition related to COVID-19 if known, such as:
chronic respiratory failure (J96.1-)
loss of smell (R43.8)
loss of taste (R43.8)
multisystem inflammatory syndrome (M35.81)
pulmonary embolism (I26.-)
pulmonary fibrosis (J84.10)

Notes:

This code enables establishment of a link with COVID-19.
This code is not to be used in cases that are still presenting with active COVID-19. However, an exception is made in cases of re-infection with COVID-19, occurring with a condition related to prior COVID-19.

Index terms for U09.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Frequently asked questions

What is ICD-10 code U09.9?

U09.9 is the ICD-10-CM code for post COVID-19 condition, unspecified, in the block U00-U49 (Provisional assignment of new diseases of uncertain etiology or emergency use).

Is U09.9 a billable code?

Yes. U09.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does U09.9 belong to?

It belongs to category U09 – Post COVID-19 condition.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.