B94.9
Billable codeSequelae of unspecified infectious and parasitic disease
The ICD-10 code for sequelae of unspecified infectious and parasitic disease is B94.9.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- post COVID-19 condition (U09.9)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- B94.0Sequelae of trachoma
- B94.1Sequelae of viral encephalitis
- B94.2Sequelae of viral hepatitis
- B94.8Sequelae of other specified infectious and parasitic diseases
- B94.9Sequelae of unspecified infectious and parasitic disease
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1398Approximate match
Associated MS-DRGs
B94.9 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.