ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S88 includes traumatic amputations of the lower leg, specifying the level of amputation (for example through the tibia, fibula, ankle, or related structures) and laterality. These ICD-10-CM diagnosis codes are used to document acute traumatic limb loss, associated soft tissue and neurovascular injury, and the clinical complexity of post-amputation care. Accurate coding within the ICD-10-CM S88 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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ICD-10-CM S88: Traumatic Amputation Of Lower Leg Overview

This group includes diagnosis codes for traumatic amputations involving the lower leg, including amputations through the tibia, fibula, ankle, and related soft tissues. It targets injuries to the knee and lower leg caused by traumatic events and is used to document the level and laterality of amputation. Accurate coding is important for clinical records and influences reimbursement and resource allocation for surgical and rehabilitative care.

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ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

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ICD-10-CM S88: Traumatic Amputation Of Lower Leg Overview

When to Use

Use a code from this group when a patient sustains a traumatic amputation of the lower leg documented by clinical examination or operative report. Select the code that reflects the exact anatomic level of amputation and whether the injury is initial encounter, subsequent encounter, or sequela as documented.

ICD-10-CM Codes

54 rows

ICD-10-CM Code	Description
S88.011A	Complete traumatic amputation at knee level, right lower leg, initial encounter
S88.011D	Complete traumatic amputation at knee level, right lower leg, subsequent encounter
S88.011S	Complete traumatic amputation at knee level, right lower leg, sequela
S88.012A	Complete traumatic amputation at knee level, left lower leg, initial encounter
S88.012D	Complete traumatic amputation at knee level, left lower leg, subsequent encounter
S88.012S	Complete traumatic amputation at knee level, left lower leg, sequela
S88.019A	Complete traumatic amputation at knee level, unspecified lower leg, initial encounter
S88.019D	Complete traumatic amputation at knee level, unspecified lower leg, subsequent encounter
S88.019S	Complete traumatic amputation at knee level, unspecified lower leg, sequela
S88.021A	Partial traumatic amputation at knee level, right lower leg, initial encounter
S88.021D	Partial traumatic amputation at knee level, right lower leg, subsequent encounter
S88.021S	Partial traumatic amputation at knee level, right lower leg, sequela
S88.022A	Partial traumatic amputation at knee level, left lower leg, initial encounter
S88.022D	Partial traumatic amputation at knee level, left lower leg, subsequent encounter
S88.022S	Partial traumatic amputation at knee level, left lower leg, sequela
S88.029A	Partial traumatic amputation at knee level, unspecified lower leg, initial encounter
S88.029D	Partial traumatic amputation at knee level, unspecified lower leg, subsequent encounter
S88.029S	Partial traumatic amputation at knee level, unspecified lower leg, sequela
S88.111A	Complete traumatic amputation at level between knee and ankle, right lower leg, initial encounter
S88.111D	Complete traumatic amputation at level between knee and ankle, right lower leg, subsequent encounter

Showing 1–20 of 54

DRG Codes

10 rows

DRG Code	Description
559	Aftercare, Musculoskeletal System and Connective Tissue with MCC
560	Aftercare, Musculoskeletal System and Connective Tissue with CC
561	Aftercare, Musculoskeletal System and Connective Tissue without CC/MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An adult construction worker presents to the emergency department after a high-energy crush injury from a falling heavy object that resulted in an open traumatic amputation through the lower leg below the knee with active hemorrhage and contaminated wound. Immediate evaluation, hemorrhage control, and surgical consultation for stump management or replantation are undertaken; an initial encounter code from the acute traumatic amputation series is assigned to document the new injury and need for emergent care. Typical codes: S88.021A, S88.022A
An elderly diabetic patient with a prior traumatic partial amputation of the lower leg now presents to clinic months later for routine follow-up and prosthetic fitting; the stump is healed but requires ongoing monitoring and rehabilitation. Because this visit is for subsequent care after the initial injury, a later encounter code for the healed traumatic amputation is used to document the status and coordinate prosthetic services. Typical codes: S88.021D, S88.022D
A patient who suffered a remote traumatic amputation of the lower leg develops a chronic stump osteomyelitis and recurrent skin breakdown at the amputation site, requiring evaluation for infection and possible revision surgery; the condition is managed as a sequela of the prior traumatic amputation. A sequela or subsequent code indicating a late effect of the traumatic amputation is assigned to capture the complication related to the old injury. Typical codes: S88.021S, S88.022S

Related Codes

S80-SUPERFICIAL-INJURY-KNEE-LOWER-LEG

ICD-10-CM Code For Superficial Injury Of Knee And Lower Leg: Group Overview

S81-OPEN-WOUND-KNEE-LOWER-LEG

ICD-10-CM Code For Open Wound Of Knee And Lower Leg: Group Overview

S82-FRACTURE-OF-LOWER-LEG

ICD-10-CM Code For Fracture Of Lower Leg, Including Ankle: Group Overview

S83-DISLOCATION-AND-SPRAIN-OF-KNEE

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments Of Knee: Group Overview

S84-INJURY-OF-LOWER-LEG-NERVES

ICD-10-CM Code For Injury Of Nerves At Lower Leg Level: Group Overview

S85-INJURY-OF-BLOOD-VESSELS-LOWER-LEG

ICD-10-CM Code For Injury Of Blood Vessels At Lower Leg Level: Group Overview

S87-CRUSHING-INJURY-LOWER-LEG

ICD-10-CM Code For Crushing Injury Of Lower Leg: Group Overview

S89-OTHER-AND-UNSPECIFIED-INJURIES-OF-LOWER-LEG

ICD-10-CM Code For Other And Unspecified Injuries Of Lower Leg: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

54 rows

ICD-10-CM Code	Description
S88.011A	Complete traumatic amputation at knee level, right lower leg, initial encounter
S88.011D	Complete traumatic amputation at knee level, right lower leg, subsequent encounter
S88.011S	Complete traumatic amputation at knee level, right lower leg, sequela
S88.012A	Complete traumatic amputation at knee level, left lower leg, initial encounter
S88.012D	Complete traumatic amputation at knee level, left lower leg, subsequent encounter
S88.012S	Complete traumatic amputation at knee level, left lower leg, sequela
S88.019A	Complete traumatic amputation at knee level, unspecified lower leg, initial encounter
S88.019D	Complete traumatic amputation at knee level, unspecified lower leg, subsequent encounter
S88.019S	Complete traumatic amputation at knee level, unspecified lower leg, sequela
S88.021A	Partial traumatic amputation at knee level, right lower leg, initial encounter
S88.021D	Partial traumatic amputation at knee level, right lower leg, subsequent encounter
S88.021S	Partial traumatic amputation at knee level, right lower leg, sequela
S88.022A	Partial traumatic amputation at knee level, left lower leg, initial encounter
S88.022D	Partial traumatic amputation at knee level, left lower leg, subsequent encounter
S88.022S	Partial traumatic amputation at knee level, left lower leg, sequela
S88.029A	Partial traumatic amputation at knee level, unspecified lower leg, initial encounter
S88.029D	Partial traumatic amputation at knee level, unspecified lower leg, subsequent encounter
S88.029S	Partial traumatic amputation at knee level, unspecified lower leg, sequela
S88.111A	Complete traumatic amputation at level between knee and ankle, right lower leg, initial encounter
S88.111D	Complete traumatic amputation at level between knee and ankle, right lower leg, subsequent encounter

Showing 1–20 of 54

DRG Codes

10 rows

DRG Code	Description
559	Aftercare, Musculoskeletal System and Connective Tissue with MCC
560	Aftercare, Musculoskeletal System and Connective Tissue with CC
561	Aftercare, Musculoskeletal System and Connective Tissue without CC/MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An adult construction worker presents to the emergency department after a high-energy crush injury from a falling heavy object that resulted in an open traumatic amputation through the lower leg below the knee with active hemorrhage and contaminated wound. Immediate evaluation, hemorrhage control, and surgical consultation for stump management or replantation are undertaken; an initial encounter code from the acute traumatic amputation series is assigned to document the new injury and need for emergent care. Typical codes: S88.021A, S88.022A
An elderly diabetic patient with a prior traumatic partial amputation of the lower leg now presents to clinic months later for routine follow-up and prosthetic fitting; the stump is healed but requires ongoing monitoring and rehabilitation. Because this visit is for subsequent care after the initial injury, a later encounter code for the healed traumatic amputation is used to document the status and coordinate prosthetic services. Typical codes: S88.021D, S88.022D
A patient who suffered a remote traumatic amputation of the lower leg develops a chronic stump osteomyelitis and recurrent skin breakdown at the amputation site, requiring evaluation for infection and possible revision surgery; the condition is managed as a sequela of the prior traumatic amputation. A sequela or subsequent code indicating a late effect of the traumatic amputation is assigned to capture the complication related to the old injury. Typical codes: S88.021S, S88.022S

Related Codes

S80-SUPERFICIAL-INJURY-KNEE-LOWER-LEG

ICD-10-CM Code For Superficial Injury Of Knee And Lower Leg: Group Overview

S81-OPEN-WOUND-KNEE-LOWER-LEG

ICD-10-CM Code For Open Wound Of Knee And Lower Leg: Group Overview

S82-FRACTURE-OF-LOWER-LEG

ICD-10-CM Code For Fracture Of Lower Leg, Including Ankle: Group Overview

S83-DISLOCATION-AND-SPRAIN-OF-KNEE

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments Of Knee: Group Overview

S84-INJURY-OF-LOWER-LEG-NERVES

ICD-10-CM Code For Injury Of Nerves At Lower Leg Level: Group Overview

S85-INJURY-OF-BLOOD-VESSELS-LOWER-LEG

ICD-10-CM Code For Injury Of Blood Vessels At Lower Leg Level: Group Overview

S87-CRUSHING-INJURY-LOWER-LEG

ICD-10-CM Code For Crushing Injury Of Lower Leg: Group Overview

S89-OTHER-AND-UNSPECIFIED-INJURIES-OF-LOWER-LEG

ICD-10-CM Code For Other And Unspecified Injuries Of Lower Leg: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

Sign up for ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview policy alerts

ICD-10-CM S88: Traumatic Amputation Of Lower Leg Overview

ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview

Sign up for ICD-10-CM Code For Traumatic Amputation Of Lower Leg: Group Overview policy alerts

ICD-10-CM S88: Traumatic Amputation Of Lower Leg Overview

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM code describes a complete traumatic amputation at knee level of the right lower leg during the initial encounter?

How does the S88 group distinguish between initial, subsequent, and sequela encounters?

Which codes indicate partial traumatic amputations between the knee and ankle for the left lower leg?

What S88 codes should be used when the level of lower leg amputation is unspecified?

Which DRGs are related to traumatic lower leg amputation codes in the S88 group?

References

When to Use

ICD-10-CM Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which ICD-10-CM code describes a complete traumatic amputation at knee level of the right lower leg during the initial encounter?

How does the S88 group distinguish between initial, subsequent, and sequela encounters?

Which codes indicate partial traumatic amputations between the knee and ankle for the left lower leg?

What S88 codes should be used when the level of lower leg amputation is unspecified?

Which DRGs are related to traumatic lower leg amputation codes in the S88 group?

References