S22.5 Flail chest

Non-billable ICD-10-CM code.

Applies from S22 Fracture of rib(s), sternum and thoracic spine

Includes

• fracture of thoracic neural arch
• fracture of thoracic spinous process
• fracture of thoracic transverse process
• fracture of thoracic vertebra
• fracture of thoracic vertebral arch

Excludes1 (never code together)

• transection of thorax (S28.1)

Excludes2 (not included here)

• fracture of clavicle (S42.0-)
• fracture of scapula (S42.1-)

Code also

• , if applicable, any associated condition such as:
• injury of intrathoracic organ (S27.-)
• spinal cord injury (S24.0-, S24.1-)
• traumatic hemopneumothorax (S27.2)
• traumatic hemothorax (S27.1-)
• traumatic pneumothorax (S27.0)

7th character note

• The appropriate 7th character is to be added to each code from category S22

Notes

• A fracture not indicated as displaced or nondisplaced should be coded to displaced
• A fracture not indicated as open or closed should be coded to closed

7th character required

• A — initial encounter for closed fracture
• B — initial encounter for open fracture
• D — subsequent encounter for fracture with routine healing
• G — subsequent encounter for fracture with delayed healing
• K — subsequent encounter for fracture with nonunion
• S — sequela

Code annotations containing back-references to S22.5

Back-references to S22.5

• Type 1 Excludes: S22.4 Multiple fractures of ribs ("flail chest (S22.5-)")
• Type 1 Excludes: S28.0 Crushed chest ("flail chest (S22.5)")

Back-references to S22

• Type 1 Excludes: M48.5 Collapsed vertebra, not elsewhere classified ("traumatic fracture of vertebra (S12.-, S22.-, S32.-)")
• Type 1 Excludes: M84.3 Stress fracture ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")

Diagnosis Index entries for S22.5

• Flail › chest

Nearby codes

• S22.49XB Multiple fractures of ribs, unspecified side, initial encounter for open fracture
• S22.49XD Multiple fractures of ribs, unspecified side, subsequent encounter for fracture with routine healing
• S22.49XG Multiple fractures of ribs, unspecified side, subsequent encounter for fracture with delayed healing
• S22.49XK Multiple fractures of ribs, unspecified side, subsequent encounter for fracture with nonunion
• S22.49XS Multiple fractures of ribs, unspecified side, sequela
• S22.5 Flail chest (this code)
• S22.5XXA Flail chest, initial encounter for closed fracture
• S22.5XXB Flail chest, initial encounter for open fracture
• S22.5XXD Flail chest, subsequent encounter for fracture with routine healing
• S22.5XXG Flail chest, subsequent encounter for fracture with delayed healing
• S22.5XXK Flail chest, subsequent encounter for fracture with nonunion