H18.9
BillableUnspecified disorder of cornea
Unspecified disorder of cornea
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
Related Codes(9)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(89)
SNOMED CT
- Corneal disorder15250008
- Disorder of cornea15250008
- Corneal lesion63725005
- Lesion of cornea63725005
- Disorder of cornea caused by drug427180006
- Drug-induced disorder of cornea427180006
- Drug-induced keratopathy427180006
- Keratopathy medicamentosa427180006
- Keratopathy due to corneal stem cell failure427355004
- Bilateral keratopathy caused by drug15999391000119104
- Bilateral keratopathy medicamentosa15999391000119104
- Keratopathy of bilateral eyes caused by drug15999391000119104
- Keratopathy of both eyes caused by drug15999391000119104
- Corneal disorder caused by monkeypox virus1290821000000106
- Disorder of cornea caused by monkeypox virus1290821000000106
- Disorder of cornea of left eye caused by drug15999431000119109
- Drug-induced keratopathy of left eye15999431000119109
- Keratopathy medicamentosa of left eye15999431000119109
- Keratopathy of left eye caused by drug15999431000119109
- Keratopathy of left eye caused by medication15999431000119109
- Disorder of cornea of right eye caused by drug15999471000119107
- Drug-induced keratopathy of right eye15999471000119107
- Keratopathy medicamentosa of right eye15999471000119107
- Keratopathy of right eye caused by drug15999471000119107
- Keratopathy of right eye caused by medication15999471000119107
UMLS
- CORNEAL DISC0010034
- Corneal DiseaseC0010034
- Corneal DiseasesC0010034
- Corneal DisorderC0010034
- Corneal DisordersC0010034
- Corneal disorderC0010034
- Corneal disorder NOSC0010034
- Disease, CornealC0010034
- Diseases, CornealC0010034
- Disorder cornealC0010034
- Disorder of corneaC0010034
- Disorder of cornea (disorder)C0010034
- Unspecified disorder of corneaC0010034
- cornea diseaseC0010034
- cornea diseasesC0010034
- cornea disorderC0010034
- cornea disordersC0010034
- corneal diseaseC0010034
- corneal diseasesC0010034
- corneal disordersC0010034
- disease corneaC0010034
- diseases cornealC0010034
- diseases of the corneaC0010034
Clinical Terms
- Keratopathy medicamentosa of left eye
- Diseases, Corneal
- disease cornea
- Drug-induced keratopathy of right eye
- corneal diseases
- Disorder of cornea
- Keratopathy of left eye caused by drug
- Corneal lesion
- Corneal disorder
- Keratopathy of right eye caused by drug
- Lesion of cornea
- Corneal Disease
- cornea disorder
- Disorder of cornea of left eye caused by drug
- Drug-induced disorder of cornea
- Keratopathy of left eye caused by medication
- Disease, Corneal
- Keratopathy of right eye caused by medication
- Disorder of cornea (disorder)
- diseases corneal
- CORNEAL DIS
- Disorder corneal
- Keratopathy of bilateral eyes caused by drug
- Keratopathy of both eyes caused by drug
- cornea disease
- Corneal Disorders
- Bilateral keratopathy medicamentosa
- Corneal disorder caused by monkeypox virus
- Drug-induced keratopathy of left eye
- Keratopathy due to corneal stem cell failure
- Disorder of cornea caused by monkeypox virus
- Disorder of cornea caused by drug
- diseases of the cornea
- Disorder of cornea of right eye caused by drug
- Drug-induced keratopathy
- Keratopathy medicamentosa of right eye
- Bilateral keratopathy caused by drug
- cornea disorders
- Keratopathy medicamentosa
- cornea diseases
- Corneal disorder NOS
Frequently Asked Questions
What is the ICD-10 code for unspecified disorder of cornea?
The ICD-10-CM code for unspecified disorder of cornea is H18.9. The full clinical description is "Unspecified disorder of cornea". H18.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H18.9 mean?
ICD-10-CM code H18.9 represents “Unspecified disorder of cornea”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a billable/specific code that can be used on a claim.
Is H18.9 a billable code?
Yes, H18.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H18.9 in?
H18.9 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What SNOMED CT codes does H18.9 map to?
H18.9 maps to 8 SNOMED CT concepts: 15999391000119104, 15250008, 1290821000000106, 63725005, 427180006, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H18.9?
H18.9 is linked to 1 UMLS Concept Unique Identifier: C0010034. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H18.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified disorder of cornea 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 H18.9?
H18.9 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.