Is ICD-10-CM code S93 billable?

No, S93 (Dislocation and sprain of joints and ligaments at ankle, foot and toe level) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code S93 belong to?

S93 belongs to Chapter 19 of the ICD-10-CM tabular list: S00–T88 (Injury, Poisoning and Certain Other Consequences of External Causes).

S93Not billable, use a more specific code below

Dislocation and sprain of joints and ligaments at ankle, foot and toe level

In Injuries to the ankle and foot (S90-S99), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

336 billable codes under S93: none are a CC or MCC; none map to an HCC.

Instructional notes

Includes: conditions that are coded here

avulsion of joint or ligament of ankle, foot and toe
laceration of cartilage, joint or ligament of ankle, foot and toe
sprain of cartilage, joint or ligament of ankle, foot and toe
traumatic hemarthrosis of joint or ligament of ankle, foot and toe
traumatic rupture of joint or ligament of ankle, foot and toe
traumatic subluxation of joint or ligament of ankle, foot and toe
traumatic tear of joint or ligament of ankle, foot and toe

Excludes2: not included here, code separately if applicable

strain of muscle and tendon of ankle and foot (S96.-)

Code also: add a code for this too, order depends on the encounter

any associated open wound

Also applies, from Injuries to the ankle and foot (S90-S99)

These notes sit on S90-S99 and apply to every code under it, including S93.

Excludes2: not included here, code separately if applicable

burns and corrosions (T20-T32)
fracture of ankle and malleolus (S82.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers 7th character use and coding of injuries, fractures, burns, drug and toxic effects, abuse and neglect, and complications of care (S00-T88).

Application of 7th Characters in Chapter 19 (page 77)
Coding of Injuries (page 78)
Coding of Traumatic Fractures (page 79)
Coding of Burns and Corrosions (page 80)
Adverse Effects, Poisoning, Underdosing and Toxic Effects (page 82)
Adult and child abuse, neglect and other maltreatment (page 85)
Complications of care (page 85)

Read Section I.C.19 (page 77)

All codes under S93

S93 can't be used on a claim. Pick a billable code below; grey headings group them.

S93 MS-DRGs

As the principal diagnosis, the billable codes under S93 group to these 7 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 562 Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC (224 of 336 codes)
DRG 563 Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC (224 of 336 codes)
DRG 949 Aftercare with CC/MCC (112 of 336 codes)
DRG 950 Aftercare without CC/MCC (112 of 336 codes)
DRG 963 Other Multiple Significant Trauma with MCC (112 of 336 codes)
DRG 964 Other Multiple Significant Trauma with CC (112 of 336 codes)
DRG 965 Other Multiple Significant Trauma without CC/MCC (112 of 336 codes)

Other codes that refer to S93

Notes on these codes point to S93.

S96 Excludes2: sprain of joints and ligaments of ankle and foot (S93.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Dislocations

Dislocations are joint injuries that force the ends of your bones out of position. The cause is often a fall or a blow, sometimes from playing a contact sport. You can dislocate your ankles, knees, shoulders, hips, elbows and jaw. You can also dislocate your finger and toe joints. Dislocated joints often are swollen, very painful and visibly out of place. You may not be able to move it.

Foot Injuries and Disorders

Each of your feet has 26 bones, 33 joints, and more than 100 tendons, muscles, and ligaments. No wonder a lot of things can go wrong. Here are a few common problems:

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.