H20.12 Chronic iridocyclitis, left eye

Billable ICD-10-CM code, FY2026.

Applies from H20.1 Chronic iridocyclitis

Excludes2 (not included here)

• posterior cyclitis (H30.2-)

Use additional code

• code for any associated cataract (H26.21-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 364.10 Chronic iridocyclitis, unspecified (approximate)

Code annotations containing back-references to H20.12

Back-references to H20.1

• Code Also: H26.21 Cataract with neovascularization ("chronic iridocyclitis (H20.1-)")

Nearby codes

• H20.053 Hypopyon, bilateral
• H20.059 Hypopyon, unspecified eye
• H20.1 Chronic iridocyclitis
• H20.10 Chronic iridocyclitis, unspecified eye
• H20.11 Chronic iridocyclitis, right eye
• H20.12 Chronic iridocyclitis, left eye (this code)
• H20.13 Chronic iridocyclitis, bilateral
• H20.2 Lens-induced iridocyclitis
• H20.20 Lens-induced iridocyclitis, unspecified eye
• H20.21 Lens-induced iridocyclitis, right eye
• H20.22 Lens-induced iridocyclitis, left eye