S00.449S ICD-10-CM Code: External constriction of unspecified ear, 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
S00.449SExternal constriction of unspecified ear, sequela
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where S00.449S 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 S00
Superficial injury of head
- 4
Subcategory S00.449
External constriction of unspecified ear
- 5
Code S00.449S
External constriction of unspecified ear, sequela
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for S00.449S.
Code first
No “code first” instruction is listed for S00.449S.
Use additional code
No “use additional code” instruction is listed for S00.449S.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for S00.449S.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for S00.449S.
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 S00.449S mean?
S00.449S is the FY 2027 U.S. ICD-10-CM code for “External constriction of unspecified ear, sequela.”
Is S00.449S a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, S00.449S 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 S00.449S located in ICD-10-CM?
S00.449S 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 S00, Superficial injury of head and subcategory S00.449, External constriction of unspecified ear.
What coding notes are listed for S00.449S?
No inclusion terms are listed for S00.449S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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