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ICD-10-CM 2027

ICD-10 code for Pannus

H16.42

Pannus (corneal)

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Pannus (allergic) (cornea) (degenerativus) (keratic)”. Page updated September 29, 2026.

About coding Pannus

The ICD-10-CM code for Pannus is H16.42 (Pannus (corneal)). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on H16.42.

Within H16.4 (corneal neovascularization), H16.42 is specifically for Pannus (corneal). Related codes cover unspecified corneal neovascularization (H16.40), Ghost vessels (corneal) (H16.41), localized vascularization of cornea (H16.43) and deep vascularization of cornea (H16.44).

To report this condition, pick the subcode that matches the documentation: H16.421 (right eye), H16.422 (left eye), H16.423 (bilateral) and H16.429 (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.

More specific Pannus codes (official index)

  • abdominal (symptomatic) E65 — Localized adiposity
  • trachomatosus, trachomatous (active) A71.1 — Active stage of trachoma

Common questions about Pannus ICD-10 codes

What is the ICD-10 code for Pannus?

H16.42 — Pannus (corneal) (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: E65, A71.1.

What is the ICD-10 code for abdominal pannus?

E65 — Localized adiposity.

Is H16.42 billable?

No. H16.42 is a header code. Report one of its more specific subcodes instead.