H50.3 – Intermittent heterotropia

ICD-10-CM 2027 diagnosis code · Disorders of ocular muscles, binocular movement, accommodation and refraction

Non-billable header

ICD-10-CM code H50.3

Code: H50.3 (claims format: H503)
Description: Intermittent heterotropia
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: H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction
Parent codes: H50

Billable codes under H50.3

H50.3 is a header code and cannot be used on claims. Choose the most specific code:

H50.30 – Unspecified intermittent heterotropiaBillable
H50.31 – Intermittent monocular esotropiaHeader (more codes below)
H50.32 – Intermittent alternating esotropiaBillable
H50.33 – Intermittent monocular exotropiaHeader (more codes below)
H50.34 – Intermittent alternating exotropiaBillable

Notes inherited from parent codes

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

Block H49-H52

Excludes2 (not included here):

nystagmus and other irregular eye movements (H55)

Related codes in H50

H50.0 – EsotropiaHeader
H50.1 – ExotropiaHeader
H50.2 – Vertical strabismusHeader
H50.4 – Other and unspecified heterotropiaHeader
H50.5 – HeterophoriaHeader
H50.6 – Mechanical strabismusHeader
H50.8 – Other specified strabismusHeader
H50.9 – Unspecified strabismusBillable

Frequently asked questions

What is ICD-10 code H50.3?

H50.3 is the ICD-10-CM code for intermittent heterotropia, in the block H49-H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction).

Is H50.3 a billable code?

No. H50.3 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H50.3 belong to?

It belongs to category H50 – Other strabismus.

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.