H50.121 Monocular exotropia with A pattern, right eye

Billable ICD-10-CM code, FY2026.

Applies from H50.1 Exotropia

Applicable to

• Divergent concomitant strabismus

Excludes1 (never code together)

• intermittent exotropia (H50.33-, H50.34)

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 378.12 Monocular exotropia with A pattern (approximate)

Code annotations containing back-references to H50.121

Back-references to H50

• Type 2 Excludes: H53.03 Strabismic amblyopia ("strabismus (H50.-)")

Nearby codes

• H50.10 Unspecified exotropia
• H50.11 Monocular exotropia
• H50.111 Monocular exotropia, right eye
• H50.112 Monocular exotropia, left eye
• H50.12 Monocular exotropia with A pattern
• H50.121 Monocular exotropia with A pattern, right eye (this code)
• H50.122 Monocular exotropia with A pattern, left eye
• H50.13 Monocular exotropia with V pattern
• H50.131 Monocular exotropia with V pattern, right eye
• H50.132 Monocular exotropia with V pattern, left eye
• H50.14 Monocular exotropia with other noncomitancies