2026 ICD-10-CM Diagnosis Code U09.9Post COVID-19 condition, unspecified
ICD-10-CM Codes›U00–U85›U00-U49›U09
- Billable — Valid for Submission
- Chronic Condition
U09.9 is a billable ICD-10-CM diagnosis code for post COVID-19 condition, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as chronic post-COVID-19 syndrome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Coronavirus disease � 2019 (COVID-19).
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Chronic post-COVID-19 syndrome
- Post-acute COVID-19
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- 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
- 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.
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Condition - See Also: Disease;
- post COVID-19 - U09.9
- condition post - U09.9
- long (haul) - U09.9
- sequelae (post acute) - U09.9
- Long
- COVID (-19) - See Also: COVID-19; - U09.9
- Post COVID-19 condition, unspecified - U09.9
- SARS-CoV-2 - See Also: COVID-19;
- sequelae (post acute) - U09.9
- Sequelae (of) - See Also: condition;
- COVID-19 (post acute) - U09.9
- SARS-CoV-2 (post acute) - U09.9
- Syndrome - See Also: Disease;
- post-COVID (-19) - U09.9
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Condition
- post COVID-19
- COVID-19
- condition post
- COVID-19
- long (haul)
- COVID-19
- sequelae (post acute)
- Long
- COVID (-19)
- Post COVID-19 condition, unspecified
- SARS-CoV-2
- sequelae (post acute)
- Sequelae(of)
- COVID-19 (post acute)
- Sequelae(of)
- SARS-CoV-2 (post acute)
- Syndrome
- post-COVID (-19)
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
COVID-19 (Coronavirus Disease 2019)
COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a coronavirus called SARS-CoV-2. It spreads when a person who has the infection breathes out droplets and very small particles that contain the virus.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code History & ChangesHistory
Replacement U09.9 replaces the following previously assigned code(s):
- B94.9 - Sequelae of unspecified infectious and parasitic disease
Questions About U09.9Overview
Is U09.9 (Post COVID-19 condition) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report post COVID-19 condition, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
