S22.5⚠ Requires 7th Character

Flail chest

⚠ 7th Character Required

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

This code is not valid for billing without a 7th character. Append one of the following to S22.5:

Ainitial encounter for closed fractureS22.5XXABinitial encounter for open fractureS22.5XXBDsubsequent encounter for fracture with routine healingS22.5XXDGsubsequent encounter for fracture with delayed healingS22.5XXGKsubsequent encounter for fracture with nonunionS22.5XXKSsequelaS22.5XXS

Sub-codes of S22.5(6)

S22.5 is a non-billable header. Select a sub-code to bill.

S22.5AFlail chest, initial encounter for closed fracture✓ BillableS22.5BFlail chest, initial encounter for open fracture✓ BillableS22.5DFlail chest, subsequent encounter for fracture with routine …✓ BillableS22.5GFlail chest, subsequent encounter for fracture with delayed …✓ BillableS22.5KFlail chest, subsequent encounter for fracture with nonunion✓ BillableS22.5SFlail chest, sequela✓ Billable

Also Indexed As(ICD-10-CM Alphabetic Index)

These clinical terms, synonyms, and manifestations all map to S22.5 in the official ICD-10-CM Alphabetic Index.

Flail, chest

Code Hierarchy

┌19Injury, poisoning and certain other consequences of external causes (S00-T88)├S20-S29Injuries to the thorax (S20-S29)├S22Fracture of rib(s), sternum and thoracic spine
└S22.5Flail chest

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