H47.4
Disorders of optic chiasm
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 11 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 2
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 7 same parent — H47
H47.0 Disorders of optic nerve, not elsewhere classified category H47.1 Papilledema category H47.2 Optic atrophy category H47.3 Other disorders of optic disc category H47.5 Disorders of other visual pathways category H47.6 Disorders of visual cortex category H47.9 Unspecified disorder of visual pathways
Subordinate codes 4
Additional references
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Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.