H20.81 – Fuchs' heterochromic cyclitis

ICD-10-CM 2027 diagnosis code · Disorders of sclera, cornea, iris and ciliary body

Non-billable header

ICD-10-CM code H20.81

Code: H20.81 (claims format: H2081)
Description: Fuchs' heterochromic cyclitis
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 7. Diseases of the eye and adnexa (H00-H59)
Block: H15-H22 Disorders of sclera, cornea, iris and ciliary body
Parent codes: H20 › H20.8

Billable codes under H20.81

H20.81 is a header code and cannot be used on claims. Choose the most specific code:

H20.811 – Fuchs' heterochromic cyclitis, right eyeBillable
H20.812 – Fuchs' heterochromic cyclitis, left eyeBillable
H20.813 – Fuchs' heterochromic cyclitis, bilateralBillable
H20.819 – Fuchs' heterochromic cyclitis, unspecified eyeBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H20.8 – Other iridocyclitis

Excludes2 (not included here):

glaucomatocyclitis crises (H40.4-)
posterior cyclitis (H30.2-)
sympathetic uveitis (H44.13-)

Index terms for H20.81

Entries in the ICD-10-CM alphabetic index that lead to this code:

Cyclitis, Fuchs' heterochromic

Related codes in H20.8

H20.82 – Vogt-Koyanagi syndromeHeader

Frequently asked questions

What is ICD-10 code H20.81?

H20.81 is the ICD-10-CM code for fuchs' heterochromic cyclitis, in the block H15-H22 (Disorders of sclera, cornea, iris and ciliary body).

Is H20.81 a billable code?

No. H20.81 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H20.81 belong to?

It belongs to category H20 – Iridocyclitis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.