FY2024
Effective from
- Added
Medial rectus muscle entrapment
Category — select a more specific code
CDC/NCHS · FY2024nystagmus and other irregular eye movements (H55)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2023-10-01
Latest recorded change · FY2024
Effective from
Medial rectus muscle entrapment
Category — select a more specific code
CDC/NCHS · FY2024| All editions | Effective from | Code history |
|---|---|---|
| FY2024 | 2023-10-01 | Added |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition
nystagmus and other irregular eye movements (H55)
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| H50.60 | Mechanical strabismus, unspecified | Billable / specific |
| H50.61 | Brown's sheath syndrome | Category · further specificity required |
| H50.62 | Inferior oblique muscle entrapment | Category · further specificity required |
| H50.63 | Inferior rectus muscle entrapment | Category · further specificity required |
| H50.64 | Lateral rectus muscle entrapment | Category · further specificity required |
| H50.66 | Superior oblique muscle entrapment | Category · further specificity required |
| H50.67 | Superior rectus muscle entrapment | Category · further specificity required |
| H50.68 | Extraocular muscle entrapment, unspecified | Category · further specificity required |
| H50.69 | Other mechanical strabismus | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗