H10.523 — Angular blepharoconjunctivitis, bilateral
Is H10.523 billable?
Yes — H10.523 is billable for FY2027. H10.523 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. H10.523 may be submitted for encounters from October 1, 2026 through September 30, 2027.
H10.523 at a glance
| Code | H10.523 |
|---|---|
| Description | Angular blepharoconjunctivitis, bilateral |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does H10.523 group to?
H10.523 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 H10.523 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under H10.52, the nearest indexed parent of H10.523. Use them to find the family, then select the specific code.
- Blepharoconjunctivitis › angular
Excludes1 — never code together — inherited from H10
The conditions below can never be reported together with H10.523 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- keratoconjunctivitis (H16.2-)
Excludes2 — not included here — inherited from Chapter 7
The conditions below are not part of H10.523, but a patient may have both at the same time. When documentation supports it, H10.523 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 H10.523 existed?
H10.523 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.