H02.51
⚠ Non-billable (Header)Abnormal innervation syndrome
Diseases of the eye and adnexa (H00-H59)
⚠️ This is a category header code — not billable. Use a more specific child code below.
⚠️ Excludes2
inherited from H02.5Rules from parent category H02.5: Other disorders affecting eyelid function
- • blepharospasm (G24.5)
- • organic tic (G25.69)
- • psychogenic tic (F95.-)
Child Codes (7)
H02.511Abnormal innervation syndrome right upper eyelidH02.512Abnormal innervation syndrome right lower eyelidH02.513Abnormal innervation syndrome right eye, unspecified eyelidH02.514Abnormal innervation syndrome left upper eyelidH02.515Abnormal innervation syndrome left lower eyelidH02.516Abnormal innervation syndrome left eye, unspecified eyelidH02.519Abnormal innervation syndrome unspecified eye, unspecified eyelid
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CodeH02.51
BillableNo — Header code
ParentH02.5
CategoryDiseases of the eye and adnexa (H00-H59)
Excludes10 rule(s)
Excludes23 note(s)
Child codes7
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)