B89 Unspecified parasitic disease

Billable ICD-10-CM code, FY2026.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 136.9 Unspecified infectious and parasitic diseases (approximate)

Code annotations containing back-references to B89

Back-references to B89

• Code First: H22 Disorders of iris and ciliary body in diseases classified elsewhere ("parasitic disease (B89)")
• Code First: H94.0 Acoustic neuritis in infectious and parasitic diseases classified elsewhere ("parasitic disease (B65-B89)")

Back-references to B89

• Code First: H22 Disorders of iris and ciliary body in diseases classified elsewhere ("parasitic disease (B89)")
• Code First: H94.0 Acoustic neuritis in infectious and parasitic diseases classified elsewhere ("parasitic disease (B65-B89)")

Diagnosis Index entries for B89

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › due to or associated with › parasitic disease NEC
• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › in (due to) › parasitic disease NEC
• Cyst (colloid) (mucous) (simple) (retention) › parasitic
• Disease, diseased › parasitic
• Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) › in (due to) › parasitic disease NEC
• Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) › in (due to) › infectious disease NEC
• Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) › in (due to) › parasitic disease
• Infection, infected, infective (opportunistic) › parasitic
• Infestation › eyelid › parasitic NOS
• Infestation › orbit, parasitic NOS
• Infestation › parasite, parasitic
• Infestation › parasite, parasitic › eyelid
• Iridocyclitis › in (due to) › parasitic disease NOS
• Mastoiditis (coalescent) (hemorrhagic) (suppurative) › in (due to) › parasitic disease NEC
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › parasitic disease NEC
• Meningoencephalitis › parasitic NEC
• Myopathy › in (due to) › parasitic disease NEC
• Neuritis (rheumatoid) › acoustic (nerve) › in (due to) › parasitic disease NEC
• Otitis (acute) › externa › in (due to) › parasitic disease NEC
• Palsy › cranial nerve › multiple › in › parasitic disease
• Parasitic › disease NEC
• Parasitism
• Polyneuropathy (peripheral) › in (due to) › parasitic disease NEC

Nearby codes

• B89 Unspecified parasitic disease (this code)