J09.X3 — Influenza due to identified novel influenza A virus with gastrointestinal manifestations
Is J09.X3 billable?
Yes — J09.X3 is billable for FY2027. J09.X3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. J09.X3 may be submitted for encounters from October 1, 2026 through September 30, 2027.
J09.X3 at a glance
| Code | J09.X3 |
|---|---|
| Description | Influenza due to identified novel influenza A virus with gastrointestinal manifestations |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does J09.X3 group to?
J09.X3 sits in MDC 18 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 865Viral Illness with MCCmedical
- 866Viral Illness without MCCmedical
How is J09.X3 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to J09.X3. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Influenza › due to › identified novel influenza A virus › with › digestive manifestations (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)
- Influenza › due to › identified novel influenza A virus › with › enteritis (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)
- Influenza › due to › identified novel influenza A virus › with › gastroenteritis (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)
- Influenza › due to › identified novel influenza A virus › with › gastrointestinal manifestations (bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)
Excludes1 — never code together
The conditions below can never be reported together with J09.X3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 'intestinal flu' [viral gastroenteritis] (A08.-)
Inclusion terms
Alternative wording in documentation that is classified to J09.X3.
- Influenza due to identified novel influenza A virus gastroenteritis
Excludes1 — never code together — inherited from J09
The conditions below can never be reported together with J09.X3 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 10
Report an additional code alongside J09.X3 to fully describe the condition. J09.X3 is sequenced first.
Use additional code — inherited from J09-J18
Report an additional code alongside J09.X3 to fully describe the condition. J09.X3 is sequenced first.
- code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 10
The conditions below are not part of J09.X3, but a patient may have both at the same time. When documentation supports it, J09.X3 and the excluded code may both be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- smoke inhalation (T59.81-)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Excludes2 — not included here — inherited from J09-J18
The conditions below are not part of J09.X3, but a patient may have both at the same time. When documentation supports it, J09.X3 and the excluded code may both be reported.
How long has J09.X3 existed?
J09.X3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.