H22 Disorders of iris and ciliary body in diseases classified elsewhere

Billable ICD-10-CM code, FY2026.

Code first

• underlying disease, such as:
• gout (M1A.-, M10.-)
• leprosy (A30.-)
• parasitic disease (B89)

Applies from H22 Disorders of iris and ciliary body in diseases classified elsewhere

Code first

• underlying disease, such as:
• gout (M1A.-, M10.-)
• leprosy (A30.-)
• parasitic disease (B89)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 364.89 Other disorders of iris and ciliary body (approximate)

Medicare Code Edits (MCE v43.1 (April 2026))

• Manifestation codes as principal diagnosis: Manifestation codes describe the manifestation of an underlying disease, not the disease itself, and are not allowed as principal diagnosis.

Code annotations containing back-references to H22

Back-references to H22

• Use Additional: M1A Chronic gout ("Disorders of iris and ciliary body in diseases classified elsewhere (H22)")
• Use Additional: M10 Gout ("Disorders of iris and ciliary body in diseases classified elsewhere (H22)")

Back-references to H22

• Use Additional: M1A Chronic gout ("Disorders of iris and ciliary body in diseases classified elsewhere (H22)")
• Use Additional: M10 Gout ("Disorders of iris and ciliary body in diseases classified elsewhere (H22)")

Diagnosis Index entries for H22

• Disorder (of) › iris › in diseases classified elsewhere
• Iridocyclitis › in (due to) › parasitic disease NOS
• Iritis › due to › leprosy
• Iritis › gouty

Nearby codes

• H22 Disorders of iris and ciliary body in diseases classified elsewhere (this code)