S83.409S ICD-10-CM Code: Sprain of unspecified collateral ligament of unspecified knee, sequela
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
S83.409SSprain of unspecified collateral ligament of unspecified knee, sequela
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where S83.409S sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Injuries to the knee and lower leg (S80-S89)
- 3
Category S83
Dislocation and sprain of joints and ligaments of knee
- 4
Subcategory S83.409
Sprain of unspecified collateral ligament of unspecified knee
- 5
Code S83.409S
Sprain of unspecified collateral ligament of unspecified knee, sequela
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for S83.409S.
Code first
No “code first” instruction is listed for S83.409S.
Use additional code
No “use additional code” instruction is listed for S83.409S.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for S83.409S.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for S83.409S.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code S83.409S mean?
S83.409S is the FY 2027 U.S. ICD-10-CM code for “Sprain of unspecified collateral ligament of unspecified knee, sequela.”
Is S83.409S a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, S83.409S has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is S83.409S located in ICD-10-CM?
S83.409S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the knee and lower leg (S80-S89) (S80–S89), under category S83, Dislocation and sprain of joints and ligaments of knee and subcategory S83.409, Sprain of unspecified collateral ligament of unspecified knee.
What coding notes are listed for S83.409S?
No inclusion terms are listed for S83.409S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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