H42
BillableGlaucoma in diseases classified elsewhere
Glaucoma in diseases classified elsewhere
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
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
Code First
The underlying condition must be sequenced before this code
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(137)
SNOMED CT
- Glaucoma due to vascular disorder19309007
- Open angle glaucoma due to vascular disorder19309007
- Secondary angle-closure glaucoma21571006
- Combined mechanism glaucoma92829008
- Glaucoma due to combination of mechanisms92829008
- Mixed mechanism glaucoma92829008
- Mixed open and angle-closure glaucoma92829008
- Glaucoma due to systemic syndrome193555008
- Open angle glaucoma due to systemic syndrome193555008
- Glaucoma in endocrine, nutritional and metabolic diseases193556009
- Neovascular angle closure glaucoma232086000
- Rubeotic glaucoma232086000
- Secondary angle closure glaucoma with rubeosis232086000
- Neovascular glaucoma due to diabetes mellitus713457002
- Neovascular glaucoma with diabetes mellitus713457002
- Glaucoma and sleep apnea syndrome719976001
- Glaucoma and sleep apnoea syndrome719976001
- Glaucoma due to diabetes mellitus860798008
- Glaucoma due to Lowe syndrome1003425007
- Glaucoma due to congenital anomaly of eye1003428009
- Neovascular glaucoma due to diabetes mellitus type 21196922005
- Neovascular glaucoma due to type II diabetes mellitus1196922005
- Neovascular glaucoma due to diabetes mellitus type 11196923000
- Neovascular glaucoma due to type I diabetes mellitus1196923000
- Bilateral glaucoma due to vascular disorder1303462007
- Bilateral open angle glaucoma due to vascular disorder1303462007
- Glaucoma of bilateral eyes due to vascular disorder1303462007
- Glaucoma of both eyes due to vascular disorder1303462007
- Open angle glaucoma of bilateral eyes due to vascular disorder1303462007
- Open angle glaucoma of both eyes due to vascular disorder1303462007
- Glaucoma of left eye due to vascular disorder1303463002
- Open angle glaucoma of left eye due to vascular disorder1303463002
- Glaucoma of right eye due to vascular disorder1303464008
- Open angle glaucoma of right eye due to vascular disorder1303464008
- Glaucoma of left eye due to systemic syndrome1303889009
- Open angle glaucoma of left eye due to systemic syndrome1303889009
- Glaucoma of right eye due to systemic syndrome1303890000
- Open angle glaucoma of right eye due to systemic syndrome1303890000
- Bilateral glaucoma due to systemic syndrome1303891001
- Glaucoma of both eyes due to systemic syndrome1303891001
- Open angle glaucoma of bilateral eyes due to systemic syndrome1303891001
- Secondary angle-closure glaucoma of right eye1306331001
- Secondary angle closure glaucoma of left eye1306332008
- Bilateral secondary angle closure glaucoma1306333003
- Secondary angle closure glaucoma of bilateral eyes1306333003
- Secondary angle closure glaucoma of both eyes1306333003
- Acute angle closure due to neovascularisation1111521000000100
- Acute angle closure due to neovascularization1111521000000100
- Acute angle closure with neovascularisation1111521000000100
- Acute angle closure with neovascularization1111521000000100
- Secondary acute angle closure due to neovascularisation1111521000000100
- Secondary acute angle closure due to neovascularization1111521000000100
- Acute angle closure due to uveitis1111491000000103
- Acute angle closure with uveitis1111491000000103
- Secondary acute angle closure due to uveitis1111491000000103
- Angle closure due to neovascularisation1111551000000105
- Angle closure due to neovascularization1111551000000105
- Angle closure with neovascularisation1111551000000105
- Angle closure with neovascularization1111551000000105
- Secondary angle closure due to neovascularisation1111551000000105
- Secondary angle closure due to neovascularization1111551000000105
- Angle closure due to uveitis1111541000000107
- Angle closure with uveitis1111541000000107
- Secondary angle closure due to uveitis1111541000000107
- Glaucoma due to diabetes mellitus type 160981000119103
- Phacomorphic secondary acute angle closure1111511000000106
- Secondary acute angle closure1111481000000100
- Secondary angle closure1111531000000103
Clinical Terms
- Glaucoma of right eye due to systemic syndrome
- Glaucoma in endocrine, nutritional and metabolic diseases
- Open angle glaucoma of both eyes due to vascular disorder
- Open angle glaucoma of left eye due to systemic syndrome
- Angle closure due to neovascularisation
- Angle closure due to uveitis
- Bilateral open angle glaucoma due to vascular disorder
- Mixed open and angle-closure glaucoma
- Open angle glaucoma due to systemic syndrome
- Open angle glaucoma of bilateral eyes due to systemic syndrome
- Angle closure with neovascularisation
- Rubeotic glaucoma
- Bilateral glaucoma due to vascular disorder
- Secondary acute angle closure due to neovascularization
- Secondary angle-closure glaucoma of right eye
- Secondary angle closure due to uveitis
- Angle closure with uveitis
- Glaucoma of both eyes due to vascular disorder
- Phacomorphic secondary acute angle closure
- Neovascular glaucoma due to type I diabetes mellitus
- Secondary angle closure due to neovascularisation
- Secondary acute angle closure due to neovascularisation
- Secondary acute angle closure due to uveitis
- Neovascular glaucoma due to diabetes mellitus type 2
- Secondary angle-closure glaucoma
- Neovascular glaucoma due to type II diabetes mellitus
- Acute angle closure due to neovascularization
- Glaucoma of right eye due to vascular disorder
- Acute angle closure due to uveitis
- Neovascular glaucoma due to diabetes mellitus
- Open angle glaucoma due to vascular disorder
- Neovascular angle closure glaucoma
- Open angle glaucoma of bilateral eyes due to vascular disorder
- Secondary acute angle closure
- Secondary angle closure
- Secondary angle closure glaucoma of both eyes
- Glaucoma and sleep apnoea syndrome
- Secondary angle closure due to neovascularization
- Open angle glaucoma of right eye due to vascular disorder
- Bilateral glaucoma due to systemic syndrome
- Glaucoma due to combination of mechanisms
- Angle closure with neovascularization
- Secondary angle closure glaucoma of left eye
- Acute angle closure with neovascularisation
- Neovascular glaucoma due to diabetes mellitus type 1
- Combined mechanism glaucoma
- Glaucoma due to systemic syndrome
- Glaucoma due to vascular disorder
- Secondary angle closure glaucoma of bilateral eyes
- Glaucoma due to diabetes mellitus
- Glaucoma and sleep apnea syndrome
- Glaucoma due to diabetes mellitus type 1
- Neovascular glaucoma with diabetes mellitus
- Secondary angle closure glaucoma with rubeosis
- Open angle glaucoma of right eye due to systemic syndrome
- Acute angle closure with neovascularization
- Open angle glaucoma of left eye due to vascular disorder
- Acute angle closure with uveitis
- Mixed mechanism glaucoma
- Glaucoma of left eye due to vascular disorder
- Glaucoma due to congenital anomaly of eye
- Glaucoma of left eye due to systemic syndrome
- Angle closure due to neovascularization
- Glaucoma due to Lowe syndrome
- Glaucoma of both eyes due to systemic syndrome
- Glaucoma of bilateral eyes due to vascular disorder
- Bilateral secondary angle closure glaucoma
- Acute angle closure due to neovascularisation
Frequently Asked Questions
What is the ICD-10 code for glaucoma in diseases classified elsewhere?
The ICD-10-CM code for glaucoma in diseases classified elsewhere is H42. The full clinical description is "Glaucoma in diseases classified elsewhere". H42 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H42 mean?
ICD-10-CM code H42 represents “Glaucoma in diseases classified elsewhere”. 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 H42 a billable code?
Yes, H42 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H42 in?
H42 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What codes cannot be used with H42?
H42 has Excludes1 notes indicating codes that cannot be used together with it, including: glaucoma (in) onchocerciasis (B73.02); glaucoma (in) syphilis (A52.71); glaucoma (in) tuberculous (A18.59).
What SNOMED CT codes does H42 map to?
H42 maps to 30 SNOMED CT concepts: 1111521000000100, 1111491000000103, 1111551000000105, 1111541000000107, 1303891001, and 25 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H42?
H42 is linked to 1 UMLS Concept Unique Identifier: C0348557. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H42 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like glaucoma in diseases classified elsewhere 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 H42?
H42 maps to the ICD-11 code: 9C61.Z (Glaucoma, 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.