H50.55
✓ Billable
Alternating heterophoria
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H50.55
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H50.55?
ICD-10-CM code H50.55 represents Alternating heterophoria. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H50.55 billable?
Yes. H50.55 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H50.55 in?
H50.55 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H50 category
H50
Other strabismus
Non-billable
H50.0
Esotropia
Non-billable
H50.1
Exotropia
Non-billable
H50.2
Vertical strabismus
Non-billable
H50.3
Intermittent heterotropia
Non-billable
H50.4
Other and unspecified heterotropia
Non-billable
H50.5
Heterophoria
Non-billable
H50.6
Mechanical strabismus
Non-billable
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