J01.90
Billable codeAcute sinusitis, unspecified
The ICD-10 code for acute sinusitis, unspecified is J01.90.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- J01.91Acute recurrent sinusitis, unspecified
- J01.90Acute sinusitis, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4619Approximate match
Associated MS-DRGs
J01.90 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.