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H20 Iridocyclitis

ICD-10-CM category H20 sits in Chapter 7 (Diseases of the eye and adnexa, H00-H59). It contains 38 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

H20.0 Acute and subacute iridocyclitisH20.01 Primary iridocyclitisH20.02 Recurrent acute iridocyclitisH20.03 Secondary infectious iridocyclitisH20.04 Secondary noninfectious iridocyclitisH20.05 HypopyonH20.1 Chronic iridocyclitisH20.2 Lens-induced iridocyclitisH20.8 Other iridocyclitisH20.81 Fuchs' heterochromic cyclitisH20.82 Vogt-Koyanagi syndrome

Billable codes in H20

CodeDescription
H20.00Unspecified acute and subacute iridocyclitis
H20.011Primary iridocyclitis, right eye
H20.012Primary iridocyclitis, left eye
H20.013Primary iridocyclitis, bilateral
H20.019Primary iridocyclitis, unspecified eye
H20.021Recurrent acute iridocyclitis, right eye
H20.022Recurrent acute iridocyclitis, left eye
H20.023Recurrent acute iridocyclitis, bilateral
H20.029Recurrent acute iridocyclitis, unspecified eye
H20.031Secondary infectious iridocyclitis, right eye
H20.032Secondary infectious iridocyclitis, left eye
H20.033Secondary infectious iridocyclitis, bilateral
H20.039Secondary infectious iridocyclitis, unspecified eye
H20.041Secondary noninfectious iridocyclitis, right eye
H20.042Secondary noninfectious iridocyclitis, left eye
H20.043Secondary noninfectious iridocyclitis, bilateral
H20.049Secondary noninfectious iridocyclitis, unspecified eye
H20.051Hypopyon, right eye
H20.052Hypopyon, left eye
H20.053Hypopyon, bilateral
H20.059Hypopyon, unspecified eye
H20.10Chronic iridocyclitis, unspecified eye
H20.11Chronic iridocyclitis, right eye
H20.12Chronic iridocyclitis, left eye
H20.13Chronic iridocyclitis, bilateral
H20.20Lens-induced iridocyclitis, unspecified eye
H20.21Lens-induced iridocyclitis, right eye
H20.22Lens-induced iridocyclitis, left eye
H20.23Lens-induced iridocyclitis, bilateral
H20.811Fuchs' heterochromic cyclitis, right eye
H20.812Fuchs' heterochromic cyclitis, left eye
H20.813Fuchs' heterochromic cyclitis, bilateral
H20.819Fuchs' heterochromic cyclitis, unspecified eye
H20.821Vogt-Koyanagi syndrome, right eye
H20.822Vogt-Koyanagi syndrome, left eye
H20.823Vogt-Koyanagi syndrome, bilateral
H20.829Vogt-Koyanagi syndrome, unspecified eye
H20.9Unspecified iridocyclitis

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