S03.40XA is the authoritative medical code for Sprain of jaw, unspecified side, initial encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for sprain of jaw, unspecified side, initial encounter (ICD-10-CM S03.40XA), 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
Sprain of jaw, unspecified side, initial encounter is a billable ICD-10-CM diagnosis code S03.40A. Includes: avulsion of joint capsule or ligament of head; laceration of cartilage, joint capsule or ligament of head; sprain of cartilage, joint capsule or ligament of head; traumatic hemarthrosis of joint or ligament of head; traumatic rupture of joint or ligament of head; traumatic subluxation of joint or ligament of head; traumatic tear of joint or ligament of head; 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. Excludes2 (not included here): Strain of muscle or tendon of head S09.1; 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; for any associated infection. 7th character: The appropriate 7th character is to be added to each code from category S03.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S03.40XA in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- avulsion of joint capsule or ligament of head
- laceration of cartilage, joint capsule or ligament of head
- sprain of cartilage, joint capsule or ligament of head
- traumatic hemarthrosis of joint or ligament of head
- traumatic rupture of joint or ligament of head
- traumatic subluxation of joint or ligament of head
- traumatic tear of joint or ligament of head
- 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
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- Strain of muscle or tendon of head S09.1
- 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
- for any associated infection
Frequently Asked Questions (FAQ) & Clinical Guidance
Does S03.40XA require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S03.
Can S03.40XA be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, S03.40XA and the following are not considered part of each other and may both be reported when both conditions are present: Strain of muscle or tendon of head (S09.1); burns and corrosions (T20-T32); effects of foreign body in ear (T16); effects of foreign body in larynx (T17.3).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S03.40XA in its code family, with their registry titles.
- S03 — Dislocation and sprain of joints and ligaments of head
- S03.0 — Dislocation of jaw
- S03.00 — Dislocation of jaw, unspecified side
- S03.00XA — Dislocation of jaw, unspecified side, initial encounter
- S03.00XD — Dislocation of jaw, unspecified side, subsequent encounter
- S03.00XS — Dislocation of jaw, unspecified side, sequela
- S03.01 — Dislocation of jaw, right side
- S03.01XA — Dislocation of jaw, right side, initial encounter
- S03.01XD — Dislocation of jaw, right side, subsequent encounter
- S03.01XS — Dislocation of jaw, right side, sequela
View all 40 codes in the S03 family