H11.05 – Peripheral pterygium of eye, progressive

ICD-10-CM 2027 diagnosis code · Disorders of conjunctiva

Non-billable header

ICD-10-CM code H11.05

Code: H11.05 (claims format: H1105)
Description: Peripheral pterygium of eye, progressive
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: H10-H11 Disorders of conjunctiva
Parent codes: H11 › H11.0

Billable codes under H11.05

H11.05 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

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

H11 – Other disorders of conjunctiva

Excludes1 (not coded here):

keratoconjunctivitis (H16.2-)

H11.0 – Pterygium of eye

Excludes1 (not coded here):

pseudopterygium (H11.81-)

Index terms for H11.05

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

Pterygium, peripheral, progressive

Related codes in H11.0

H11.00 – Unspecified pterygium of eyeHeader
H11.01 – Amyloid pterygiumHeader
H11.02 – Central pterygium of eyeHeader
H11.03 – Double pterygium of eyeHeader
H11.04 – Peripheral pterygium of eye, stationaryHeader
H11.06 – Recurrent pterygium of eyeHeader

Frequently asked questions

What is ICD-10 code H11.05?

H11.05 is the ICD-10-CM code for peripheral pterygium of eye, progressive, in the block H10-H11 (Disorders of conjunctiva).

Is H11.05 a billable code?

No. H11.05 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H11.05 belong to?

It belongs to category H11 – Other disorders of conjunctiva.

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.