H00.02 – Hordeolum internum

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

Non-billable header

ICD-10-CM code H00.02

Code: H00.02 (claims format: H0002)
Description: Hordeolum internum
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: H00 › H00.0

Billable codes under H00.02

H00.02 is a header code and cannot be used on claims. Choose the most specific code:

H00.021 – Hordeolum internum right upper eyelidBillable
H00.022 – Hordeolum internum right lower eyelidBillable
H00.023 – Hordeolum internum right eye, unspecified eyelidBillable
H00.024 – Hordeolum internum left upper eyelidBillable
H00.025 – Hordeolum internum left lower eyelidBillable
H00.026 – Hordeolum internum left eye, unspecified eyelidBillable
H00.029 – Hordeolum internum unspecified eye, unspecified eyelidBillable

Notes for H00.02

Applicable to:

Infection of meibomian gland

Notes inherited from parent codes

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

Block H00-H05

Excludes2 (not included here):

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

Related codes in H00.0

H00.01 – Hordeolum externumHeader
H00.03 – Abscess of eyelidHeader

Frequently asked questions

What is ICD-10 code H00.02?

H00.02 is the ICD-10-CM code for hordeolum internum, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).

Is H00.02 a billable code?

No. H00.02 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H00.02 belong to?

It belongs to category H00 – Hordeolum and chalazion.

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.