ICD-10-CM
ICD-10 code for Strabismus: H50.9
The ICD-10-CM index points "Strabismus" to H50.9, Unspecified strabismus. H50.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- H50.40concomitant, Unspecified heterotropiaBillable
- H50.00convergent concomitant, Unspecified esotropiaBillable
- H50.41cyclotropiaHeader
- H50.10divergent concomitant, Unspecified exotropiaBillable
- H50.69due to adhesions, scars, Other mechanical strabismusBillable
- H50.50heterophoria, Unspecified heterophoriaBillable
- H50.40heterotropia, Unspecified heterotropiaBillable
- H50.50latent, Unspecified heterophoriaBillable
- H50.60mechanical, Mechanical strabismus, unspecifiedBillable
- H50.42monofixation syndromeBillable
- H49.9paralytic, Unspecified paralytic strabismusBillable
- H50.89specified type NEC, Other specified strabismusBillable
More specific codes in H50
A header groups codes and is not billed. A billable code is one you can report.
- H50Other strabismusHeader
- H50.0EsotropiaHeader
- H50.00Unspecified esotropiaBillable
- H50.01Monocular esotropiaHeader
- H50.02Monocular esotropia with A patternHeader
- H50.03Monocular esotropia with V patternHeader
- H50.04Monocular esotropia with other noncomitanciesHeader
- H50.05Alternating esotropiaBillable
- H50.06Alternating esotropia with A patternBillable
- H50.07Alternating esotropia with V patternBillable
- H50.08Alternating esotropia with other noncomitanciesBillable
- H50.1ExotropiaHeader
- H50.10Unspecified exotropiaBillable
- H50.11Monocular exotropiaHeader
- H50.12Monocular exotropia with A patternHeader
- H50.13Monocular exotropia with V patternHeader
- H50.14Monocular exotropia with other noncomitanciesHeader
- H50.15Alternating exotropiaBillable
- H50.16Alternating exotropia with A patternBillable
- H50.17Alternating exotropia with V patternBillable
- H50.18Alternating exotropia with other noncomitanciesBillable
- H50.2Vertical strabismusHeader
- H50.21Vertical strabismus, right eyeBillable
- H50.22Vertical strabismus, left eyeBillable
- H50.3Intermittent heterotropiaHeader
- H50.30Unspecified intermittent heterotropiaBillable
- H50.31Intermittent monocular esotropiaHeader
- H50.32Intermittent alternating esotropiaBillable
- H50.33Intermittent monocular exotropiaHeader
- H50.34Intermittent alternating exotropiaBillable
- H50.4Other and unspecified heterotropiaHeader
- H50.40Unspecified heterotropiaBillable
- H50.41CyclotropiaHeader
- H50.42Monofixation syndromeBillable
- H50.43Accommodative component in esotropiaBillable
- H50.5HeterophoriaHeader
- H50.50Unspecified heterophoriaBillable
- H50.51EsophoriaBillable
- H50.52ExophoriaBillable
- H50.53Vertical heterophoriaBillable
- H50.54CyclophoriaBillable
- H50.55Alternating heterophoriaBillable
- H50.6Mechanical strabismusHeader
- H50.60Mechanical strabismus, unspecifiedBillable
- H50.61Brown's sheath syndromeHeader
- H50.62Inferior oblique muscle entrapmentHeader
- H50.63Inferior rectus muscle entrapmentHeader
- H50.64Lateral rectus muscle entrapmentHeader
- H50.65Medial rectus muscle entrapmentHeader
- H50.66Superior oblique muscle entrapmentHeader
- H50.67Superior rectus muscle entrapmentHeader
- H50.68Extraocular muscle entrapment, unspecifiedHeader
- H50.69Other mechanical strabismusBillable
- H50.8Other specified strabismusHeader
- H50.81Duane's syndromeHeader
- H50.89Other specified strabismusBillable
- H50.9Unspecified strabismusBillable
Related conditions
Related pages
- H50.9 code detailsNotes, nearby codes, CMS-HCC group
- Category H50Every code under it
- Chapter 7Diseases of the eye and adnexa
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Strabismus?
The ICD-10-CM index points "Strabismus" to H50.9, Unspecified strabismus. H50.9 is a billable code.
Is H50.9 billable?
Yes. H50.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is H50.9 in?
Chapter 7. Diseases of the eye and adnexa.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.