S09.10XA is the authoritative medical code for Unspecified injury of muscle and tendon of head, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified injury of muscle and tendon of head, initial encounter (ICD-10-CM S09.10XA), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Unspecified injury of muscle and tendon of head, initial encounter is a billable ICD-10-CM diagnosis code S09.10A. Includes: injuries of ear; injuries of eye; injuries of face any part; injuries of gum; injuries of jaw; injuries of oral cavity; injuries of palate; injuries of periocular area; injuries of scalp; injuries of temporomandibular joint area; injuries of tongue; injuries of tooth. Inclusion terms: Injury of muscle and tendon of head NOS. Excludes2 (not included here): sprain to joints and ligament of head S03.9; burns and corrosions T20-T32; effects of foreign body in ear T16; effects of foreign body in larynx T17.3; effects of foreign body in mouth NOS T18.0; effects of foreign body in nose T17.0-T17.1; effects of foreign body in pharynx T17.2; effects of foreign body on external eye T15.-; frostbite T33-T34; insect bite or sting, venomous T63.4. Code also: any associated open wound S01.-; for any associated infection. 7th character: The appropriate 7th character is to be added to each code from category S09.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S09.10XA in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- injuries of ear
- injuries of eye
- injuries of face any part
- injuries of gum
- injuries of jaw
- injuries of oral cavity
- injuries of palate
- injuries of periocular area
- injuries of scalp
- injuries of temporomandibular joint area
- injuries of tongue
- injuries of tooth
Inclusion Terms
Alternative terms the tabular list files under this code.
- Injury of muscle and tendon of head NOS
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- sprain to joints and ligament of head S03.9
- burns and corrosions T20-T32
- effects of foreign body in ear T16
- effects of foreign body in larynx T17.3
- effects of foreign body in mouth NOS T18.0
- effects of foreign body in nose T17.0-T17.1
- effects of foreign body in pharynx T17.2
- effects of foreign body on external eye T15.-
- frostbite T33-T34
- insect bite or sting, venomous T63.4
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound S01.-
- for any associated infection
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S09.10XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S09.
Can S09.10XA be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, S09.10XA and the following are not considered part of each other and may both be reported when both conditions are present: sprain to joints and ligament of head (S03.9); burns and corrosions (T20-T32); effects of foreign body in ear (T16); effects of foreign body in larynx (T17.3).
What conditions are included under S09.10XA?
Unspecified injury of muscle and tendon of head, initial encounter includes: Injury of muscle and tendon of head NOS.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S09.10XA in its code family, with their registry titles.
- S09 — Other and unspecified injuries of head
- S09.0 — Injury of blood vessels of head, not elsewhere classified
- S09.0XXA — Injury of blood vessels of head, not elsewhere classified, initial encounter
- S09.0XXD — Injury of blood vessels of head, not elsewhere classified, subsequent encounter
- S09.0XXS — Injury of blood vessels of head, not elsewhere classified, sequela
- S09.1 — Injury of muscle and tendon of head
- S09.10XD — Unspecified injury of muscle and tendon of head, subsequent encounter
- S09.10XS — Unspecified injury of muscle and tendon of head, sequela
- S09.11XA — Strain of muscle and tendon of head, initial encounter
- S09.11XD — Strain of muscle and tendon of head, subsequent encounter
View all 21 codes in the S09 family