H21.35
Exudative cyst of pars plana
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
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
Alongside this code 5 same parent — H21.3
H21.30 Idiopathic cysts of iris, ciliary body or anterior chamber category H21.31 Exudative cysts of iris or anterior chamber category H21.32 Implantation cysts of iris, ciliary body or anterior chamber category H21.33 Parasitic cyst of iris, ciliary body or anterior chamber category H21.34 Primary cyst of pars plana category
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.