H26.3 – Drug-induced cataract

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

Non-billable header

ICD-10-CM code H26.3

Code: H26.3 (claims format: H263)
Description: Drug-induced cataract
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

Billable codes under H26.3

H26.3 is a header code and cannot be used on claims. Choose the most specific code:

H26.30 – Drug-induced cataract, unspecified eyeBillable
H26.31 – Drug-induced cataract, right eyeBillable
H26.32 – Drug-induced cataract, left eyeBillable
H26.33 – Drug-induced cataract, bilateralBillable

Notes for H26.3

Applicable to:

Toxic cataract

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

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 H26.3

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

Cataract, drug-induced

Related codes in H26

H26.0 – Infantile and juvenile cataractHeader
H26.1 – Traumatic cataractHeader
H26.2 – Complicated cataractHeader
H26.4 – Secondary cataractHeader
H26.8 – Other specified cataractBillable
H26.9 – Unspecified cataractBillable

Frequently asked questions

What is ICD-10 code H26.3?

H26.3 is the ICD-10-CM code for drug-induced cataract, in the block H25-H28 (Disorders of lens).

Is H26.3 a billable code?

No. H26.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H26.3 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.