H05.1 – Chronic inflammatory disorders of orbit

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

Non-billable header

ICD-10-CM code H05.1

Code: H05.1 (claims format: H051)
Description: Chronic inflammatory disorders of orbit
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: H05

Billable codes under H05.1

H05.1 is a header code and cannot be used on claims. Choose the most specific code:

H05.10 – Unspecified chronic inflammatory disorders of orbitBillable
H05.11 – Granuloma of orbitHeader (more codes below)
H05.12 – Orbital myositisHeader (more codes below)

Notes inherited from parent codes

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

H05 – Disorders of orbit

Excludes1 (not coded here):

congenital malformation of orbit (Q10.7)

Block H00-H05

Excludes2 (not included here):

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

Related codes in H05

H05.0 – Acute inflammation of orbitHeader
H05.2 – Exophthalmic conditionsHeader
H05.3 – Deformity of orbitHeader
H05.4 – EnophthalmosHeader
H05.5 – Retained (old) foreign body following penetrating wound of orbitHeader
H05.8 – Other disorders of orbitHeader
H05.9 – Unspecified disorder of orbitBillable

Frequently asked questions

What is ICD-10 code H05.1?

H05.1 is the ICD-10-CM code for chronic inflammatory disorders of orbit, in the block H00-H05 (Disorders of eyelid, lacrimal system and orbit).

Is H05.1 a billable code?

No. H05.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H05.1 belong to?

It belongs to category H05 – Disorders of orbit.

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.