Is H00.1 a billable ICD-10-CM code?

No. H00.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does H00.1 sit in the tabular list?

Diseases of the eye and adnexa (H00-H59), in the block Disorders of eyelid, lacrimal system and orbit (H00-H05).

H00.1

H00.1 — Chalazion

Non-billable headerICD-10-CM

H00.1 is a non-billable header ICD-10-CM code for chalazion. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

infected meibomian gland (H00.02-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Meibomian (gland) cyst

Risk adjustment

H00.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead H00.1

7 child codes. Green means billable.

Related codes at this level

Codes that share H00. If H00.1 is not quite right, the correct code is usually one of these.

H00.0Hordeolum (externum) (internum) of eyelid

Questions about H00.1

Is H00.1 a billable ICD-10-CM code?: No. H00.1 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H00.1 sit in the tabular list?: Diseases of the eye and adnexa (H00-H59), in the block Disorders of eyelid, lacrimal system and orbit (H00-H05).