M
IMEPro
S93.401A Musculoskeletal
Updated March 2026

Sprain of unspecified ligament of right ankle, initial encounter

ICD-10 Code: S93.401A · Body Part: Ankle/Foot

QME Evaluation Process

Ankle stability testing (anterior drawer, talar tilt), ROM testing, imaging review. LE impairment for instability or ROM loss.

Typical Impairment Rating

3-10% LE (1-4% WPI)

AMA Guides Edition

5th Edition

Common Treatments

+ Physical therapy
+ Ankle bracing
+ Lateral ligament reconstruction for chronic instability

Related Conditions

Body Part Guide

Ankle/Foot Evaluation Guide

Impairment rating methods, common conditions, and QME evaluation protocols

View Guide →

QME Specialties for Sprain of unspecified ligament of right ankle, initial encounter

Find a QME Specialist

Browse QME-certified physicians who evaluate sprain of unspecified ligament of right ankle, initial encounter and related ankle/foot conditions in California.

Browse Physical Medicine & Rehabilitation Physicians →

Frequently Asked Questions

What is Sprain of unspecified ligament of right ankle, initial encounter (S93.401A)?

Sprain of unspecified ligament of right ankle, initial encounter is an ICD-10 diagnosis code (S93.401A) classified under Musculoskeletal conditions. It affects the Ankle/Foot and is commonly encountered in California workers' compensation claims. QME physicians evaluate this condition using AMA Guides 5th Edition protocols.

How is S93.401A rated for impairment?

The typical whole person impairment (WPI) range for Sprain of unspecified ligament of right ankle, initial encounter is 3-10% LE (1-4% WPI). The exact rating depends on clinical findings, imaging, and the evaluation method (DRE or ROM) chosen by the QME physician per AMA Guides 5th Edition.

What is the QME evaluation process for S93.401A?

Ankle stability testing (anterior drawer, talar tilt), ROM testing, imaging review. LE impairment for instability or ROM loss.

What treatments are common for Sprain of unspecified ligament of right ankle, initial encounter?

Common treatments for Sprain of unspecified ligament of right ankle, initial encounter include Physical therapy, Ankle bracing, Lateral ligament reconstruction for chronic instability. Treatment appropriateness and outcomes are considered during the QME evaluation when determining permanent and stationary status and apportionment.