H00.12 – Chalazion right lower eyelid

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

Billable code

ICD-10-CM code H00.12

Code: H00.12 (claims format: H0012)
Description: Chalazion right lower 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: H00 › H00.1

Notes inherited from parent codes

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

H00.1 – Chalazion

Applicable to:

Meibomian (gland) cyst

Excludes2 (not included here):

infected meibomian gland (H00.02-)

Block H00-H05

Excludes2 (not included here):

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

Index terms for H00.12

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

Chalazion, right, lower

Related codes in H00.1

H00.11 – Chalazion right upper eyelidBillable
H00.13 – Chalazion right eye, unspecified eyelidBillable
H00.14 – Chalazion left upper eyelidBillable
H00.15 – Chalazion left lower eyelidBillable
H00.16 – Chalazion left eye, unspecified eyelidBillable
H00.19 – Chalazion unspecified eye, unspecified eyelidBillable

Frequently asked questions

What is ICD-10 code H00.12?

H00.12 is the ICD-10-CM code for chalazion right lower eyelid, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).

Is H00.12 a billable code?

Yes. H00.12 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does H00.12 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.