ICD-10-CM Codes
S00-T88 Injury, poisoning and certain other consequences of external causes
S80-S89 Injuries to the knee and lower leg
S89- Other and unspecified injuries of lower leg
2021 ICD-10-CM Diagnosis Code S89.9

2021 ICD-10-CM Diagnosis Code S89.9

Unspecified injury of lower leg

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

S89.9 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2021 edition of ICD-10-CM S89.9 became effective on October 1, 2020.
This is the American ICD-10-CM version of S89.9 - other international versions of ICD-10 S89.9 may differ.

The following code(s) above S89.9 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to S89.9:

S00-T88
2021 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causes
Note
- 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
Type 1 Excludes
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Use Additional
- code to identify any retained foreign body, if applicable (Z18.-)
Injury, poisoning and certain other consequences of external causes
S80-S89
2021 ICD-10-CM Range S80-S89
Injuries to the knee and lower leg
Type 2 Excludes
- 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)
Injuries to the knee and lower leg
S89
ICD-10-CM Diagnosis Code S89
Other and unspecified injuries of lower leg
Note
- A fracture not indicated as open or closed should be coded to closed
Type 2 Excludes
- other and unspecified injuries of ankle and foot (S99.-)
Other and unspecified injuries of lower leg

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to S89.9:

Injury T14.90
- see also specified injury type
ICD-10-CM Diagnosis Code T14.90
Injury, unspecified
Applicable To
Injury NOS
- knee S89.9-
- leg (lower) S89.9-

ICD-10-CM Codes Adjacent To S89.9

S89.80XD …… subsequent encounter

S89.80XS …… sequela

S89.81 Other specified injuries of right lower leg

S89.81XA …… initial encounter

S89.81XD …… subsequent encounter

S89.81XS …… sequela

S89.82 Other specified injuries of left lower leg

S89.82XA …… initial encounter

S89.82XD …… subsequent encounter

S89.82XS …… sequela

S89.9 Unspecified injury of lower leg

S89.90 Unspecified injury of unspecified lower leg

S89.90XA …… initial encounter

S89.90XD …… subsequent encounter

S89.90XS …… sequela

S89.91 Unspecified injury of right lower leg

S89.91XA …… initial encounter

S89.91XD …… subsequent encounter

S89.91XS …… sequela

S89.92 Unspecified injury of left lower leg

S89.92XA …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code S89.9

Unspecified injury of lower leg

Injury, poisoning and certain other consequences of external causes

Injuries to the knee and lower leg

Other and unspecified injuries of lower leg

Injury, unspecified