H21.9
BillableUnspecified disorder of iris and ciliary body
Unspecified disorder of iris and ciliary body
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
- •sympathetic uveitisH44.1
Related Codes(7)
H21.0Hyphema
H21.1Other vascular disorders of iris and ciliary body
H21.2Degeneration of iris and ciliary body
H21.3Cyst of iris, ciliary body and anterior chamber
H21.4Pupillary membranes
H21.5Oth and unsp adhes and disruptions of iris and ciliary body
H21.8Other specified disorders of iris and ciliary body
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(15)
SNOMED CT
Clinical Terms
- Lesion of iris
- Disorder of iris
- Disorder of ciliary body
- Disorder of uveal tract
- Disorder of anterior uveal tract
- Iris lesion
- Anterior chamber - abnormal contents
Frequently Asked Questions
What is the ICD-10 code for unspecified disorder of iris and ciliary body?
The ICD-10-CM code for unspecified disorder of iris and ciliary body is H21.9. The full clinical description is "Unspecified disorder of iris and ciliary body". H21.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H21.9 mean?
ICD-10-CM code H21.9 represents “Unspecified disorder of iris and ciliary body”. 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 H21.9 a billable code?
Yes, H21.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H21.9 in?
H21.9 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What SNOMED CT codes does H21.9 map to?
H21.9 maps to 6 SNOMED CT concepts: 247003001, 733316000, 68575007, 85478004, 95678007, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H21.9?
H21.9 is linked to 1 UMLS Concept Unique Identifier: C0154907. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H21.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified disorder of iris and ciliary body 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 H21.9?
H21.9 maps to the ICD-11 code: 9A8Z (Disorders of the anterior chamber, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.