2027 ICD-10-CM Diagnosis Code S87.01XACrushing injury of right knee, initial encounter

ICD-10-CM Codes›S00–T88›S80-S89›S87

ICD-10-CM S87.01XA
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S87.01XA is a billable ICD-10-CM diagnosis code for crushing injury of right knee, initial encounter. The 7th character A marks it as an initial encounter code, used while the patient is receiving active treatment. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 913 through 914, 963 through 965. Coders also document this condition as crush injury of right knee. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Crushing injury, initial encounter.

Code Identity

ICD-10-CM Code
S87.01XA
Billable Status
Yes — Valid for Submission
Code Describes
Crushing injury of right knee, initial encounter
Short Description
Crushing injury of right knee, initial encounter
Same as the full description in the CMS dataset.
Parent Code
S87.01
Crushing injury of right knee

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS80-S89Injuries to the knee and lower leg
CategoryS87Crushing injury of lower leg
This CodeS87.01XACrushing injury of right knee, initial encounter

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Crush injury of right knee
  • Crushing injury of knee
  • Crushing injury of right lower limb

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Crushing injury of lower leg (S87). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027, published by CMS and the National Center for Health Statistics.

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to S87.01XA: its own notes plus those printed at S87, block S80-S89, and Chapter 19. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From S87 Crushing injury of lower leg applies to 18 codes
  • crushing injury of ankle and foot (S97.-)
From Block S80-S89 Injuries to the knee and lower leg applies to 4,680 codes
  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • insect bite or sting, venomous (T63.4)
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From S87 Crushing injury of lower leg applies to 18 codes
  • code(s) for all associated injuries
From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • code to identify any retained foreign body, if applicable (Z18.-)

Notes

General instructions on how these codes are used.

From Chapter 19 (S00-T88) Injury, poisoning and certain other consequences of external causes applies to 41,187 codes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

From S87 Crushing injury of lower leg applies to 18 codes
  • The appropriate 7th character is to be added to each code from category S87
Values for category S87 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter this code
  • Dsubsequent encounter
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name S87.01XA, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming S87.01XA: its condition is not part of those codes, and both may be reported when the patient has both.

  • S77 Crushing injury of hip and thigh
    crushing injury of lower leg (S87.-) names S87.-, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ018
Crushing injury, initial encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Knee Injuries and Disorders

Your knee joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the knee joint move. When any of these structures is hurt or diseased, you have knee problems. Knee problems can cause pain and difficulty walking.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S87.01XA to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
928.11 Crushing injury knee
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About S87.01XAOverview

What is the ICD-10 code for crushing injury of right knee, initial encounter?

The ICD-10-CM code for crushing injury of right knee, initial encounter is S87.01XA (sometimes written as S8701XA). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S87.01XA (Crushing injury of right knee) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report crushing injury of right knee, initial encounter on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What does the 7th character A in S87.01XA mean?

The final character A marks the initial encounter: use it while the patient is receiving active treatment for crushing injury of right knee, such as an emergency visit or first evaluation.

What MS-DRG does S87.01XA group to?

When crushing injury of right knee, initial encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 964, 965, 914, 913, 963, with relative weights from 0.9281 to 2.6361 depending on complications. Higher weights mean higher Medicare reimbursement.

Does S87.01XA need an additional code?

When the condition applies, yes. The Use Additional Code note at S87, which applies to S87.01XA, reads: code(s) for all associated injuries. The additional code is reported after S87.01XA.