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H11.21

H11.21: Conjunctival adhesions and strands (localized)

Non-billable headerICD-10-CM

H11.21 is a non-billable header ICD-10-CM code for conjunctival adhesions and strands (localized). It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above H11.21

A category’s note binds every code beneath it.

Written on H11: Other disorders of conjunctiva

  • keratoconjunctivitis (H16.2-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead H11.21

4 child codes. Green means billable.

Other codes under H11.2

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.