H20.0
Non-billableAcute and subacute iridocyclitis
H20.0 is the ICD-10-CM code for Acute and subacute iridocyclitis. It is a non-billable category code — use a more specific child code such as H20.00 for billing.
H00-H59 Diseases of the eye and adnexa
Includes
- •Acute anterior uveitis
- •Acute cyclitis
- •Acute iritis
- •Subacute anterior uveitis
- •Subacute cyclitis
- •Subacute iritis
Excludes1 — not coded here
- •iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39)
- •iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89)
- •iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32)
- •iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51)
- •iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32)
- •iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39)
- •iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71)
- •iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83)
- •iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43)
- •iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09)
- •iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54)
Frequently asked questions
- What is ICD-10 code H20.0?
- H20.0 is the ICD-10-CM code for "Acute and subacute iridocyclitis". It falls under H00-H59 Diseases of the eye and adnexa.
- Is H20.0 a billable code?
- No — H20.0 is a non-billable header code. Use a more specific child code (such as H20.00) for billing.
- What are the subcodes of H20.0?
- H20.0 has 6 more specific child codes, including H20.00, H20.01, H20.02.
- What is excluded from H20.0?
- Excludes1 (not coded here): iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39); iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89); iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32); iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition