H21
Non-billableOther disorders of iris and ciliary body
Other disorders of iris and ciliary body
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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury (trauma) of eye and orbit (S05.-)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
- sympathetic uveitis (H44.1-)
Child Codes (8)
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
H21.9Unspecified disorder of iris and ciliary body
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code H21?
ICD-10-CM code H21 represents "Other disorders of iris and ciliary body". It is a non-billable header code — use a more specific child code for billing purposes.
Is H21 a billable code?
No, H21 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under H21.
What chapter is H21 in?
H21 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What are the subcategories under H21?
H21 has 8 child codes, including: H21.0 (Hyphema), H21.1 (Other vascular disorders of iris and ciliary body), H21.2 (Degeneration of iris and ciliary body), H21.3 (Cyst of iris, ciliary body and anterior chamber), and 4 more.
What are the UMLS CUIs for H21?
H21 is linked to 1 UMLS Concept Unique Identifier: C0339308. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.