H21.0
Hyphema
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 13 never code together
H00-H59chapter
Excludes2
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)E09.3-E10.3-E11.3-E13.3-
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury (trauma) of eye and orbit (S05.-)S05.-
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)A50.01A50.3-A51.43A52.71
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
H00-H59chapter
Notes
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Index entries leading here 1
- Hyphema H21.0
Alongside this code 7 same parent — H21
H21.1 Other vascular disorders of iris and ciliary body category H21.2 Degeneration of iris and ciliary body category H21.3 Cyst of iris, ciliary body and anterior chamber category H21.4 Pupillary membranes category H21.5 Oth and unsp adhes and disruptions of iris and ciliary body category H21.8 Other specified disorders of iris and ciliary body category H21.9 Unspecified disorder of iris and ciliary body
Subordinate codes 4
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.