H16.25 (Phlyctenular keratoconjunctivitis) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the eye and adnexa chapter. It identifies cases of phlyctenular keratoconjunctivitis for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

H16.25 — Phlyctenular keratoconjunctivitis

Chapter H00-H59: Diseases of the eye and adnexa

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Sub-codes under H16.25

H16.251Phlyctenular keratoconjunctivitis, right eyeH16.252Phlyctenular keratoconjunctivitis, left eyeH16.253Phlyctenular keratoconjunctivitis, bilateralH16.259Phlyctenular keratoconjunctivitis, unspecified eye

Related diagnoses

H16.20Unspecified keratoconjunctivitisH16.21Exposure keratoconjunctivitisH16.22Keratoconjunctivitis sicca, not specified as Sjogren'sH16.23Neurotrophic keratoconjunctivitisH16.24Ophthalmia nodosaH16.26Vernal keratoconjunct, w limbar and corneal involvementH16.29Other keratoconjunctivitis

Common questions about H16.25 (Phlyctenular keratoconjunctivitis)

What does ICD-10 code H16.25 mean?
H16.25 is the ICD-10-CM 2025 code for Phlyctenular keratoconjunctivitis. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is H16.25 a billable diagnosis code?
H16.25 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under H16.25. Browse the sub-codes listed on this page.
Which ICD-10 chapter does H16.25 belong to?
H16.25 belongs to the chapter "Diseases of the eye and adnexa" (codes H00-H59). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Phlyctenular keratoconjunctivitis?
For a plain-language explanation of Phlyctenular keratoconjunctivitis, ask GoDavaii's Health AI - it explains medical conditions in 22+ Indian languages, free, with no signup. Tap "Ask GoDavaii AI about Phlyctenular keratoconjunctivitis" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗