DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S28 Crushing injury of thorax, and traumatic amputation of part of thorax

  • Header · not billable
  • Codes take a 7th character

S28 is not billable. The category heads 24 billable codes in FY2027, grouped under 3 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Crush, crushed, crushingchest → S28.0
  • Asphyxia, asphyxiation (by)crushing → S28.0
  • Amputationtraumatic (complete) (partial)thorax, part of → S28.1

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S20-S29 Injuries to the thorax (S20-S29)
  3. S28 Crushing injury of thorax, and traumatic amputation of part of thorax
Billable codes
24
Subdivisions
3
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
6

Codes in S28

  1. S28.0
    Crushed chest +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Excludes1 1, Use additional code 1

    Excludes1

    • flail chest (S22.5) S22.5

    Use additional code

    • code for all associated injuries
  2. S28.1
    Traumatic amputation (partial) of part of thorax, except breast +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  3. S28.2
    Traumatic amputation of breast
    Header
  4. S28.21
    Complete traumatic amputation of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Traumatic amputation of breast NOS
  5. S28.211
    Complete traumatic amputation of right breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. S28.212
    Complete traumatic amputation of left breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. S28.219
    Complete traumatic amputation of unspecified breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  8. S28.22
    Partial traumatic amputation of breast
    Header
  9. S28.221
    Partial traumatic amputation of right breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  10. S28.222
    Partial traumatic amputation of left breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  11. S28.229
    Partial traumatic amputation of unspecified breast +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

Notes that also apply

Block S20-S29 instructions (Includes 3, Excludes2 11): printed on the block page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for S28 defined here

The appropriate 7th character is to be added to each code from category S28

7th characters for S28
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Index entries

  • Asphyxia, asphyxiation (by)crushing → S28.0
  • Crush, crushed, crushingchest → S28.0
  • Amputationtraumatic (complete) (partial)thorax, part of → S28.1
  • Amputationtraumatic (complete) (partial)breast (complete) → S28.21-
  • Asphyxia, asphyxiation (by)traumaticdue tocrushed chest → S28.0
  • Amputationtraumatic (complete) (partial)breast (complete)partial → S28.22-

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy