H02.866 – Hypertrichosis of left eye, unspecified eyelid

ICD-10-CM 2027 diagnosis code · Disorders of eyelid, lacrimal system and orbit

Billable code

ICD-10-CM code H02.866

Code: H02.866 (claims format: H02866)
Description: Hypertrichosis of left eye, unspecified eyelid
Billable: Yes – valid for HIPAA-covered transactions
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 › H02.8 › H02.86

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H02 – Other disorders of eyelid

Excludes1 (not coded here):

congenital malformations of eyelid (Q10.0-Q10.3)

Block H00-H05

Excludes2 (not included here):

open wound of eyelid (S01.1-)
superficial injury of eyelid (S00.1-, S00.2-)

Index terms for H02.866

Entries in the ICD-10-CM alphabetic index that lead to this code:

Hypertrichosis, eyelid, left

Related codes in H02.86

Frequently asked questions

What is ICD-10 code H02.866?

H02.866 is the ICD-10-CM code for hypertrichosis of left eye, unspecified eyelid, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).

Is H02.866 a billable code?

Yes. H02.866 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H02.866 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.