H44.42
Hypotony of eye due to ocular fistula
H44.42 is a non-billable ICD-10-CM code header for hypotony of eye due to ocular fistula. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are H44.421 Hypotony of right eye due to ocular fistula; H44.422 Hypotony of left eye due to ocular fistula; H44.423 Hypotony of eye due to ocular fistula, bilateral and H44.429 Hypotony of unspecified eye due to ocular fistula. Its coding notes include 11 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (11 notes)
- 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)
Includes
Further defines or gives examples of the content of the category.
- disorders affecting multiple structures of eye
Notes
Also from chapter/block level (1 note)
- Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 1 entry