H18.59 — Other hereditary corneal dystrophies
Is H18.59 billable?
No — H18.59 is a non-billable header code. H18.59 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 H18.59.
H18.59 at a glance
| Code | H18.59 |
|---|---|
| Description | Other hereditary corneal dystrophies |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is H18.59 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to H18.59. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dystrophy, dystrophia › cornea › specified type NEC
Excludes2 — not included here — inherited from Chapter 7
The conditions below are not part of H18.59, but a patient may have both at the same time. When documentation supports it, H18.59 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)
What codes fall under H18.59? (4)
How long has H18.59 existed?
H18.59 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
- FY2021: H18.59 stopped being billable
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.