S01.309ABillable
Unspecified open wound of unspecified ear, initial encounter
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S01
- Effective date
- October 1, 2026
Related codes in category S01
S01Open wound of headS01.0Open wound of scalpS01.00Unspecified open wound of scalpS01.00XAUnspecified open wound of scalp, initial encounterYesS01.00XDUnspecified open wound of scalp, subsequent encounterYesS01.00XSUnspecified open wound of scalp, sequelaYesS01.01Laceration without foreign body of scalpS01.01XALaceration without foreign body of scalp, initial encounterYesS01.01XDLaceration without foreign body of scalp, subs encntrYesS01.01XSLaceration without foreign body of scalp, sequelaYesS01.02Laceration with foreign body of scalpS01.02XALaceration with foreign body of scalp, initial encounterYes
Frequently asked questions
What is ICD-10 code S01.309A?
S01.309A is an ICD-10-CM diagnosis code for Unspecified open wound of unspecified ear, initial encounter.
Is S01.309A a billable code?
Yes. S01.309A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is S01.309A in?
S01.309A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S01.309A become effective?
S01.309A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S01.309A?
S01.309A belongs to category S01, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.