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ICD-10-CM Codes
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S00-T88
Injury, poisoning and certain other consequences of external causes
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S80-S89
Injuries to the knee and lower leg
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S81-
Open wound of knee and lower leg
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2021 ICD-10-CM Diagnosis Code S81
2021 ICD-10-CM Diagnosis Code S81
Open wound of knee and lower leg
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- S81 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 S81 became effective on October 1, 2020.
- This is the American ICD-10-CM version of S81 - other international versions of ICD-10 S81 may differ.
Code AlsoCode Also Help
A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.
- any associated wound infection
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as S81. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Type 2 ExcludesType 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (S81) and the excluded code together.
The following code(s) above
S81 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
S81:
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
Code annotations containing back-references to S81:
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Code Also: S84, S85, S86
ICD-10-CM Diagnosis Code S84
Injury of nerves at lower leg level
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Code Also- any associated open wound (S81.-)
Type 2 Excludes- injury of nerves at ankle and foot level (S94.-)
ICD-10-CM Diagnosis Code S85
Injury of blood vessels at lower leg level
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Code Also- any associated open wound (S81.-)
Type 2 Excludes- injury of blood vessels at ankle and foot level (S95.-)
ICD-10-CM Diagnosis Code S86
Injury of muscle, fascia and tendon at lower leg level
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Code Also- any associated open wound (S81.-)
Type 2 Excludes- injury of muscle, fascia and tendon at ankle (S96.-)
- injury of patellar ligament (tendon) (S76.1-)
- sprain of joints and ligaments of knee (S83.-)
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Type 2 Excludes: S71
ICD-10-CM Diagnosis Code S71
Open wound of hip and thigh
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Code Also- any associated wound infection
Type 1 Excludes- open fracture of hip and thigh (S72.-)
- traumatic amputation of hip and thigh (S78.-)
Type 2 Excludes- bite of venomous animal (T63.-)
- open wound of ankle, foot and toes (S91.-)
- open wound of knee and lower leg (S81.-)
ICD-10-CM Codes Adjacent To S81
S80.922 Unspecified superficial injury of left lower leg
S80.929 Unspecified superficial injury of unspecified lower leg
S81
Open wound of knee and lower leg
S81.00 Unspecified open wound of knee
S81.001 Unspecified open wound, right knee
S81.002 Unspecified open wound, left knee
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.