H40.839 — Aqueous misdirection, unspecified eye
Is H40.839 billable?
Yes, but H40.839 is an unspecified code. H40.839 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, H40.839 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting H40.839 — the more specific alternatives are listed below.
H40.839 at a glance
| Code | H40.839 |
|---|---|
| Description | Aqueous misdirection, unspecified eye |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does H40.839 group to?
H40.839 sits in MDC 02 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 124Other Disorders of the Eye with MCC or Thrombolytic Agentmedical
- 125Other Disorders of the Eye without MCCmedical
How is H40.839 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under H40.83, the nearest indexed parent of H40.839. Use them to find the family, then select the specific code.
- Aqueous misdirection
- Misdirection, aqueous
- Glaucoma › malignant
Excludes1 — never code together — inherited from H40
The conditions below can never be reported together with H40.839 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 7
The conditions below are not part of H40.839, but a patient may have both at the same time. When documentation supports it, H40.839 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)
How long has H40.839 existed?
H40.839 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.