H21.1 — Other vascular disorders of iris and ciliary body
Is H21.1 billable?
No — H21.1 is a non-billable header code. H21.1 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath H21.1.
Billable codes under this header
H21.1 at a glance
| Code | H21.1 |
|---|---|
| Description | Other vascular disorders of iris and ciliary body |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Inclusion terms
Alternative wording in documentation that is classified to H21.1.
- Neovascularization of iris or ciliary body
- Rubeosis iridis
- Rubeosis of iris
Excludes2 — not included here — inherited from Chapter 7
The conditions below are not part of H21.1, but a patient may have both at the same time. When documentation supports it, H21.1 and the excluded code may both be reported.
- 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)
Excludes2 — not included here — inherited from H21
The conditions below are not part of H21.1, but a patient may have both at the same time. When documentation supports it, H21.1 and the excluded code may both be reported.
- sympathetic uveitis (H44.1-)
What codes fall under H21.1? (1)
How long has H21.1 existed?
H21.1 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the H21 family? (7)
- H21.0Hyphemanot billable
- H21.2Degeneration of iris and ciliary bodynot billable
- H21.3Cyst of iris, ciliary body and anterior chambernot billable
- H21.4Pupillary membranesnot billable
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodynot billable
- H21.8Other specified disorders of iris and ciliary bodynot billable
- H21.9Unspecified disorder of iris and ciliary body