H26.21 – Cataract with neovascularization

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

Non-billable header

ICD-10-CM code H26.21

Code: H26.21 (claims format: H2621)
Description: Cataract with neovascularization
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: H25-H28 Disorders of lens
Parent codes: H26 › H26.2

Billable codes under H26.21

H26.21 is a header code and cannot be used on claims. Choose the most specific code:

Notes for H26.21

Code also:

, if applicable, associated condition, such as:
chronic iridocyclitis (H20.1-)

Notes inherited from parent codes

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

H26 – Other cataract

Excludes1 (not coded here):

congenital cataract (Q12.0)

Index terms for H26.21

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

Cataract, complicated, with, neovascularization

Related codes in H26.2

Frequently asked questions

What is ICD-10 code H26.21?

H26.21 is the ICD-10-CM code for cataract with neovascularization, in the block H25-H28 (Disorders of lens).

Is H26.21 a billable code?

No. H26.21 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H26.21 belong to?

It belongs to category H26 – Other cataract.

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.