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ICD-10-CM 2027

ICD-10 code for Fleischer ring

H18.04

Kayser-Fleischer ring

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Fleischer (-Kayser) ring (cornea)”. Page updated September 29, 2026.

About coding Fleischer ring

The ICD-10-CM code for Fleischer ring is H18.04 (Kayser-Fleischer ring).

Within H18.0 (corneal pigmentations and deposits), H18.04 is specifically for Kayser-Fleischer ring. Related codes cover unspecified corneal deposit (H18.00), anterior corneal pigmentations (H18.01), Argentous corneal deposits (H18.02), corneal deposits in metabolic disorders (H18.03), posterior corneal pigmentations (H18.05) and stromal corneal pigmentations (H18.06).

To report this condition, pick the subcode that matches the documentation: H18.041 (right eye), H18.042 (left eye), H18.043 (bilateral) and H18.049 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about Fleischer ring ICD-10 codes

What is the ICD-10 code for Fleischer ring?

H18.04 — Kayser-Fleischer ring (a header code; report a more specific subcode).

Is H18.04 billable?

No. H18.04 is a header code. Report one of its more specific subcodes instead.