U09.9 — Post COVID-19 condition, unspecified
Is U09.9 billable?
Yes, but U09.9 is an unspecified code. U09.9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, U09.9 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting U09.9.
U09.9 at a glance
| Code | U09.9 |
|---|---|
| Description | Post COVID-19 condition, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does U09.9 group to?
U09.9 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is U09.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to U09.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Post COVID-19 condition, unspecified
- Condition › post COVID-19
- COVID-19 › condition post
- COVID-19 › long
- COVID-19 › sequelae
- Long › COVID
- SARS-CoV-2 › sequelae
- Sequelae › COVID-19 (of)
- Sequelae › SARS-CoV-2 (of)
- Syndrome › post-COVID
Code first
The underlying condition below must be sequenced before U09.9. U09.9 describes a manifestation and cannot be the principal or first-listed diagnosis.
Inclusion terms
Alternative wording in documentation that is classified to U09.9.
- Post-acute sequela of COVID-19
Note
- 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.
How long has U09.9 existed?
U09.9 first appears in FY2022.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.