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ICD-10/S03.40

S03.40 ICD-10-CM Code: Sprain of jaw, unspecified side

S03.40 is the authoritative medical code for Sprain of jaw, unspecified side. This classification is used in medical billing and clinical recording to specify the clinical criteria for sprain of jaw, unspecified side (ICD-10-CM S03.40), ensuring healthcare documentation aligns with current federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Sprain of jaw, unspecified side is a non-billable ICD-10-CM category code (S03.40). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S03.40 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

Can S03.40 be billed directly?

No. S03.40 (Sprain of jaw, unspecified side) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S03.40 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S03.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S03.40 in its code family, with their registry titles.

  • S03.2 — Dislocation of tooth
  • S03.2XXA — Dislocation of tooth, initial encounter
  • S03.2XXD — Dislocation of tooth, subsequent encounter
  • S03.2XXS — Dislocation of tooth, sequela
  • S03.4 — Sprain of jaw
  • S03.40XA — Sprain of jaw, unspecified side, initial encounter
  • S03.40XD — Sprain of jaw, unspecified side, subsequent encounter
  • S03.40XS — Sprain of jaw, unspecified side, sequela
  • S03.41 — Sprain of jaw, right side
  • S03.41XA — Sprain of jaw, right side, initial encounter

View all codes in the S03 family