H18.20
BillableUnspecified corneal edema
Unspecified corneal edema
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(3)
Also Known As / Clinical Terms(147)
SNOMED CT
- Corneal edema27194006
- Corneal oedema27194006
- PBK - pseudophakic bullous keratopathy231922001
- Pseudophakic bullous keratopathy231922001
- Pseudophakic corneal edema231922001
- Pseudophakic corneal oedema231922001
- Fine corneal edema248503005
- Fine corneal oedema248503005
- Microcystic corneal edema248503005
- Microcystic corneal oedema248503005
- Microcystic edema of cornea248503005
- Microcystic oedema of cornea248503005
- Corneal epithelial edema373428006
- Corneal epithelial oedema373428006
- Bullous corneal epithelial edema373429003
- Bullous corneal epithelial oedema373429003
- Corneal stromal edema373430008
- Corneal stromal oedema373430008
- Edema of corneal stroma373430008
- Oedema of corneal stroma373430008
- Infiltrate of cornea440027000
- Disorder of cornea following cataract surgery1343632005
- Keratopathy following cataract surgery1343632005
- Postsurgical keratopathy1343632005
- Bilateral corneal infiltrate15736001000119100
- Infiltrate of cornea of bilateral eyes15736001000119100
- Infiltrate of cornea of both eyes15736001000119100
- Bilateral edema of corneal stroma of eyes15930261000119104
- Bilateral oedema of corneal stroma of eyes15930261000119104
- Edema of corneal stroma of bilateral eyes15930261000119104
- Edema of corneal stroma of both eyes15930261000119104
- Oedema of corneal stroma of bilateral eyes15930261000119104
- Oedema of corneal stroma of both eyes15930261000119104
- Bilateral microcystic edema of cornea15736121000119105
- Bilateral microcystic oedema of cornea15736121000119105
- Microcystic corneal edema of bilateral eyes15736121000119105
- Microcystic corneal oedema of bilateral eyes15736121000119105
- Microcystic edema of cornea of bilateral eyes15736121000119105
- Microcystic edema of cornea of both eyes15736121000119105
- Microcystic oedema of cornea of bilateral eyes15736121000119105
- Microcystic oedema of cornea of both eyes15736121000119105
- Corneal edema of bilateral eyes15736241000119107
- Corneal edema of both eyes15736241000119107
- Edema of cornea of bilateral eyes15736241000119107
- Edema of cornea of both eyes15736241000119107
- Corneal edema of left eye15736201000119105
- Edema of cornea of left eye15736201000119105
- Corneal edema of right eye15736281000119102
- Edema of cornea of right eye15736281000119102
- Edema of corneal stroma of left eye15930221000119109
- Oedema of corneal stroma of left eye15930221000119109
- Edema of corneal stroma of right eye15930181000119101
- Oedema of corneal stroma of right eye15930181000119101
- Infiltrate of cornea of left eye15736041000119103
- Left corneal infiltrate15736041000119103
- Infiltrate of cornea of right eye15735961000119108
- Right corneal infiltrate15735961000119108
- Left microcystic corneal edema15736081000119108
- Microcystic edema of cornea of left eye15736081000119108
- Microcystic edema of cornea of right eye15736161000119100
- Right microcystic corneal edema15736161000119100
UMLS
- Corneal EdemaC0010037
- Corneal EdemasC0010037
- Corneal edemaC0010037
- Corneal edema (disorder)C0010037
- Corneal edema, unspecifiedC0010037
- Corneal oedemaC0010037
- Corneal oedema, unspecifiedC0010037
- Edema of corneaC0010037
- Edema, CornealC0010037
- Edemas, CornealC0010037
- Oedema of corneaC0010037
- Unspecified corneal edemaC0010037
- cornea edemaC0010037
- corneal edemaC0010037
- edema cornealC0010037
Clinical Terms
- Microcystic corneal oedema
- Microcystic edema of cornea of both eyes
- Microcystic edema of cornea of right eye
- Microcystic oedema of cornea
- Infiltrate of cornea
- Corneal edema of bilateral eyes
- Corneal edema of both eyes
- Disorder of cornea following cataract surgery
- Edema of cornea of left eye
- Bilateral microcystic oedema of cornea
- Corneal stromal edema
- Edema of corneal stroma
- Bilateral corneal infiltrate
- Oedema of corneal stroma of bilateral eyes
- Infiltrate of cornea of both eyes
- Edemas, Corneal
- Edema of cornea of right eye
- Oedema of corneal stroma of left eye
- Corneal Edema
- Microcystic edema of cornea of left eye
- Bilateral microcystic edema of cornea
- Edema of corneal stroma of bilateral eyes
- Corneal edema of left eye
- Microcystic edema of cornea of bilateral eyes
- Microcystic oedema of cornea of bilateral eyes
- Corneal epithelial oedema
- Microcystic oedema of cornea of both eyes
- Infiltrate of cornea of right eye
- Left corneal infiltrate
- Corneal epithelial edema
- Oedema of corneal stroma
- Infiltrate of cornea of bilateral eyes
- Oedema of corneal stroma of both eyes
- Keratopathy following cataract surgery
- Corneal edema (disorder)
- Left microcystic corneal edema
- Bilateral oedema of corneal stroma of eyes
- Corneal edema of right eye
- Corneal stromal oedema
- Infiltrate of cornea of left eye
- Bullous corneal epithelial edema
- Pseudophakic corneal edema
- Microcystic corneal edema
- Pseudophakic corneal oedema
- Edema of corneal stroma of left eye
- Microcystic corneal oedema of bilateral eyes
- Edema of cornea of both eyes
- Corneal oedema, unspecified
- cornea edema
- Postsurgical keratopathy
- Bullous corneal epithelial oedema
- Fine corneal oedema
- Edema of corneal stroma of right eye
- Oedema of corneal stroma of right eye
- Microcystic corneal edema of bilateral eyes
- Edema of cornea
- Right corneal infiltrate
- Corneal oedema
- Oedema of cornea
- Edema of cornea of bilateral eyes
- Edema, Corneal
- Right microcystic corneal edema
- edema corneal
- Bilateral edema of corneal stroma of eyes
- Pseudophakic bullous keratopathy
- Corneal edema, unspecified
- Edema of corneal stroma of both eyes
- Microcystic edema of cornea
- PBK - pseudophakic bullous keratopathy
- Fine corneal edema
- Corneal Edemas
Frequently Asked Questions
What is the ICD-10 code for unspecified corneal edema?
The ICD-10-CM code for unspecified corneal edema is H18.20. The full clinical description is "Unspecified corneal edema". H18.20 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H18.20 mean?
ICD-10-CM code H18.20 represents “Unspecified corneal edema”. 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 H18.20 a billable code?
Yes, H18.20 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H18.20 in?
H18.20 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What SNOMED CT codes does H18.20 map to?
H18.20 maps to 20 SNOMED CT concepts: 15736001000119100, 15930261000119104, 15736121000119105, 373429003, 27194006, and 15 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H18.20?
H18.20 is linked to 1 UMLS Concept Unique Identifier: C0010037. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H18.20 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified corneal edema 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 H18.20?
There is no direct ICD-11 mapping available for H18.20 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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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.