B60.13 Keratoconjunctivitis due to Acanthamoeba

Billable ICD-10-CM code, FY2026.

Applies from B60 Other protozoal diseases, not elsewhere classified

Excludes1 (never code together)

• cryptosporidiosis (A07.2)
• intestinal microsporidiosis (A07.8)
• isosporiasis (A07.3)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 136.21 Specific infection due to acanthamoeba (approximate)
• 370.8 Other forms of keratitis (approximate)

Code annotations containing back-references to B60.13

Back-references to B60.1

• Type 2 Excludes: A06 Amebiasis ("acanthamebiasis (B60.1-)")

Back-references to B60

• Type 2 Excludes: J82 Pulmonary eosinophilia, not elsewhere classified ("pulmonary eosinophilia due to specified parasitic infection (B50-B83)")

Diagnosis Index entries for B60.13

• Acanthamebiasis (with) › keratoconjunctivitis
• Keratitis (nodular) (nonulcerative) (simple) (zonular) › in (due to) › acanthamebiasis
• Keratoconjunctivitis › Acanthamoeba

Nearby codes

• B60.09 Other babesiosis
• B60.1 Acanthamebiasis
• B60.10 Acanthamebiasis, unspecified
• B60.11 Meningoencephalitis due to Acanthamoeba (culbertsoni)
• B60.12 Conjunctivitis due to Acanthamoeba
• B60.13 Keratoconjunctivitis due to Acanthamoeba (this code)
• B60.19 Other acanthamebic disease
• B60.2 Naegleriasis
• B60.8 Other specified protozoal diseases