S04.20XD ICD-10-CM Code: Injury of trochlear nerve, unspecified side, subsequent encounter
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
S04.20XDInjury of trochlear nerve, unspecified side, subsequent encounter
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where S04.20XD sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Injuries to the head (S00-S09)
- 3
Category S04
Injury of cranial nerve
- 4
Subcategory S04.20
Injury of trochlear nerve, unspecified side
- 5
Code S04.20XD
Injury of trochlear nerve, unspecified side, subsequent encounter
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for S04.20XD.
Code first
No “code first” instruction is listed for S04.20XD.
Use additional code
No “use additional code” instruction is listed for S04.20XD.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for S04.20XD.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for S04.20XD.
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 S04.20XD mean?
S04.20XD is the FY 2027 U.S. ICD-10-CM code for “Injury of trochlear nerve, unspecified side, subsequent encounter.”
Is S04.20XD a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, S04.20XD 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 S04.20XD located in ICD-10-CM?
S04.20XD is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the head (S00-S09) (S00–S09), under category S04, Injury of cranial nerve and subcategory S04.20, Injury of trochlear nerve, unspecified side.
What coding notes are listed for S04.20XD?
No inclusion terms are listed for S04.20XD in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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