H16
Non-billableKeratitis
Keratitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •diabetes mellitus related eye conditions, , ,E09.3, E10.3, E11.3, E13.3
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury (trauma) of eye and orbitS05
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •syphilis related eye disorders, , ,A50.01, A50.3, A51.43, A52.71
Child Codes (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(11)
Frequently Asked Questions
What is the ICD-10 code for keratitis?
The ICD-10-CM code for keratitis is H16. The full clinical description is "Keratitis". H16 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code H16 mean?
ICD-10-CM code H16 represents “Keratitis”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a non-billable header code. Use a more specific child code for billing purposes.
Is H16 a billable code?
No, H16 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under H16.
What chapter is H16 in?
H16 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What are the subcategories under H16?
H16 has 7 child codes, including: H16.0 (Corneal ulcer), H16.1 (Other and unsp superficial keratitis without conjunctivitis), H16.2 (Keratoconjunctivitis), H16.3 (Interstitial and deep keratitis), and 3 more.
What are the UMLS CUIs for H16?
H16 is linked to 1 UMLS Concept Unique Identifier: C0022568. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H16 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like keratitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of H16?
H16 maps to the ICD-11 code: 9A7Z (Disorders of the cornea, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.