H02.51 – Abnormal innervation syndrome
ICD-10-CM 2027 diagnosis code · Disorders of eyelid, lacrimal system and orbit
ICD-10-CM code
H02.51
- Code
H02.51(claims format:H0251)- Description
- Abnormal innervation syndrome
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H00-H05 Disorders of eyelid, lacrimal system and orbit
- Parent codes
- H02 › H02.5
Billable codes under H02.51
H02.51 is a header code and cannot be used on claims. Choose the most specific code:
- H02.511 – Abnormal innervation syndrome right upper eyelidBillable
- H02.512 – Abnormal innervation syndrome right lower eyelidBillable
- H02.513 – Abnormal innervation syndrome right eye, unspecified eyelidBillable
- H02.514 – Abnormal innervation syndrome left upper eyelidBillable
- H02.515 – Abnormal innervation syndrome left lower eyelidBillable
- H02.516 – Abnormal innervation syndrome left eye, unspecified eyelidBillable
- H02.519 – Abnormal innervation syndrome unspecified eye, unspecified eyelidBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H02 – Other disorders of eyelid
H02.5 – Other disorders affecting eyelid function
Block H00-H05
Related codes in H02.5
Frequently asked questions
What is ICD-10 code H02.51?
H02.51 is the ICD-10-CM code for abnormal innervation syndrome, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).
Is H02.51 a billable code?
No. H02.51 is a header code with more specific child codes; report one of the billable codes listed above.
What category does H02.51 belong to?
It belongs to category H02 – Other disorders of eyelid.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.