Alphabetic Index FY2027

H02.51

Abnormal innervation syndrome

FY2027Chapter 7: Diseases of the eye and adnexa/H00–H05 Disorders of eyelid, lacrimal system and orbit

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

H02.51 is a non-billable ICD-10-CM code header for abnormal innervation syndrome. 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 H02.511 Abnormal innervation syndrome right upper eyelid; H02.512 Abnormal innervation syndrome right lower eyelid; H02.513 Abnormal innervation syndrome right eye, unspecified eyelid; H02.514 Abnormal innervation syndrome left upper eyelid and 3 more. Its coding notes include 1 Excludes1 entry and 16 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H02 Other disorders of eyelid

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from H02.5 Other disorders affecting eyelid function
Also from chapter/block level (13 notes)
Inherited from H00–H05 Disorders of eyelid, lacrimal system and orbit
Inherited from Chapter 7 Diseases of the eye and adnexa
  • 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)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

More specific codes under H02.51 7