`B74.9` Filariasis, unspecified

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 867-869 in MDC 18.

Code First: J91.8 Pleural effusion in other conditions classified elsewhere ("filariasis (B74.0-B74.9)")
Code First: N51 Disorders of male genital organs in diseases classified elsewhere ("filariasis (B74.0-B74.9)")

Code First: H94.0 Acoustic neuritis in infectious and parasitic diseases classified elsewhere ("parasitic disease (B65-B89)")
Type 1 Excludes: I89 Other noninfective disorders of lymphatic vessels and lymph nodes ("filarial chylocele (B74.-)")
Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")
Type 1 Excludes: R82.0 Chyluria ("filarial chyluria (B74.-)")

Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › chylous (filarial)
Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › due to or associated with › filariasis NOS
Chylocele (nonfilarial) › filarial
Chylocele (nonfilarial) › tunica vaginalis › filarial
Chylothorax (nonfilarial) › filarial
Conjunctivitis (staphylococcal) (streptococcal) NOS › due to › filariasis
Conjunctivitis (staphylococcal) (streptococcal) NOS › in (due to) › filariasis
Conjunctivitis (staphylococcal) (streptococcal) NOS › parasitic › filariasis
Epididymitis (acute) (nonvenereal) (recurrent) (residual) › filarial
Hydrothorax (double) (pleura) › chylous (nonfilarial) › filarial
Infestation › filarial
Infestation › filarial › conjunctiva
Mumu
Orchitis (gangrenous) (nonspecific) (septic) (suppurative) › filarial