2027 ICD-10-CM Diagnosis Code S80.02XDContusion of left knee, subsequent encounter

ICD-10-CM Codes›S00–T88›S80-S89›S80

ICD-10-CM S80.02XD
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

S80.02XD is a billable ICD-10-CM diagnosis code for contusion of left knee, subsequent encounter. The 7th character D marks it as a subsequent encounter code, used during routine care in the healing or recovery phase. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 949 through 950. The code is exempt from POA reporting. Coders also document this condition as contusion of left knee. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Superficial injury; contusion, subsequent encounter.

Code Identity

ICD-10-CM Code
S80.02XD
Billable Status
Yes — Valid for Submission
Code Describes
Contusion of left knee, subsequent encounter
Short Description
Contusion of left knee, subsequent encounter
Same as the full description in the CMS dataset.
Parent Code
S80.02
Contusion of left knee

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS80-S89Injuries to the knee and lower leg
CategoryS80Superficial injury of knee and lower leg
This CodeS80.02XDContusion of left knee, subsequent encounter

Present on Admission (POA)Billing

S80.02XD is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Injuries to the knee and lower leg (S80-S89).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Contusion of left knee
  • Contusion of left lateral femoral condyle
  • Contusion of left medial femoral condyle
  • Contusion of left patella
  • Contusion of left thigh
  • Contusion of medial femoral condyle
  • Disorder of left patella
  • Hematoma of left knee region

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Superficial injury of knee and lower leg (S80). 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 S80.02XD: its own notes plus those printed at S80, 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 S80 Superficial injury of knee and lower leg applies to 144 codes
  • superficial injury of ankle and foot (S90.-)
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 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 S80 Superficial injury of knee and lower leg applies to 144 codes
  • The appropriate 7th character is to be added to each code from category S80
Values for category S80 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter this code
  • Ssequela

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

Clinical ClassificationClinical

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

CCSR INJ054
Superficial injury; contusion, subsequent encounter
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Bruises

A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood vessels but does not break the skin. Those vessels break open and leak blood under the skin.

Read the full article at MedlinePlus

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

Convert S80.02XD to ICD-9-CMHistory

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

ICD-9-CM
V58.89 Other specfied aftercare
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 S80.02XDOverview

What is the ICD-10 code for contusion of left knee, subsequent encounter?

The ICD-10-CM code for contusion of left knee, subsequent encounter is S80.02XD (sometimes written as S8002XD). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is S80.02XD (Contusion of left knee) a billable code?

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

What does the 7th character D in S80.02XD mean?

The final character D marks a subsequent encounter: use it for routine care while the contusion of left knee is healing, after active treatment has ended.

What MS-DRG does S80.02XD group to?

When contusion of left knee, subsequent encounter is the principal diagnosis on an inpatient stay, it groups to MS-DRG 950, 949, with relative weights from 0.7661 to 1.1231 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S80.02XD exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for contusion of left knee, subsequent encounter on inpatient claims. The code appears in the Injuries to the knee and lower leg (S80-S89) range of the CMS exempt list.