H50.042 Monocular esotropia with other noncomitancies, left eye

Billable ICD-10-CM code, FY2026.

Applies from H50.0 Esotropia

Applicable to

• Convergent concomitant strabismus

Excludes1 (never code together)

• intermittent esotropia (H50.31-, H50.32)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 378.04 Monocular esotropia with other noncomitancies (approximate)

Code annotations containing back-references to H50.042

Back-references to H50

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

Nearby codes

• H50.03 Monocular esotropia with V pattern
• H50.031 Monocular esotropia with V pattern, right eye
• H50.032 Monocular esotropia with V pattern, left eye
• H50.04 Monocular esotropia with other noncomitancies
• H50.041 Monocular esotropia with other noncomitancies, right eye
• H50.042 Monocular esotropia with other noncomitancies, left eye (this code)
• H50.05 Alternating esotropia
• H50.06 Alternating esotropia with A pattern
• H50.07 Alternating esotropia with V pattern
• H50.08 Alternating esotropia with other noncomitancies
• H50.1 Exotropia