DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S26 Injury of heart

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

S26 is not billable. The category heads 42 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

  • Punctureheart → S26.99
  • Injuryheart (traumatic) → S26.90
  • Contusion (skin surface intact)heart → S26.91

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. S26 Injury of heart
Billable codes
42
Subdivisions
3
CC / MCC codes
9 / 5
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in S26

  1. S26.0
    Injury of heart with hemopericardium
    Header
  2. S26.00
    Unspecified injury of heart with hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  3. S26.01
    Contusion of heart with hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  4. S26.02
    Laceration of heart with hemopericardium
    Header
  5. S26.020
    Mild laceration of heart with hemopericardium +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Laceration of heart without penetration of heart chamber
  6. S26.021
    Moderate laceration of heart with hemopericardium +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Laceration of heart with penetration of heart chamber
  7. S26.022
    Major laceration of heart with hemopericardium +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Laceration of heart with penetration of multiple heart chambers
  8. S26.09
    Other injury of heart with hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  9. S26.1
    Injury of heart without hemopericardium
    Header
  10. S26.10
    Unspecified injury of heart without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  11. S26.11
    Contusion of heart without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  12. S26.12
    Laceration of heart without hemopericardium +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
  13. S26.19
    Other injury of heart without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  14. S26.9
    Injury of heart, unspecified with or without hemopericardium
    Header
  15. S26.90
    Unspecified injury of heart, unspecified with or without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  16. S26.91
    Contusion of heart, unspecified with or without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 2 of 3 7th characters
  17. S26.92
    Laceration of heart, unspecified with or without hemopericardium +7th: A D S
    Needs 7th characterMCC AExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Laceration of heart NOS
  18. S26.99
    Other injury of heart, unspecified with or without hemopericardium +7th: A D S
    Needs 7th characterCC AExempt: 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

At S26

Code also

  • any associated:
  • open wound of thorax (S21.-) S21
  • traumatic hemopneumothorax (S27.2) S27.2
  • traumatic hemothorax (S27.1) S27.1
  • traumatic pneumothorax (S27.0) S27.0

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 S26 defined here

The appropriate 7th character is to be added to each code from category S26

7th characters for S26
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

  • Injuryheart (traumatic) → S26.90
  • Contusion (skin surface intact)heart → S26.91
  • Punctureheart → S26.99
  • Injuryheart (traumatic)with hemopericardium → S26.00
  • Punctureheartwith hemopericardium → S26.09
  • Injuryheart (traumatic)without hemopericardium → S26.10
  • Punctureheartwithout hemopericardium → S26.19
  • Injuryheart (traumatic)contusion → S26.91
  • Injuryheart (traumatic)laceration → S26.92
  • Injuryheart (traumatic)specified type NEC → S26.99
  • Injuryheart (traumatic)with hemopericardiumcontusion → S26.01
  • Injuryheart (traumatic)with hemopericardiumlaceration (mild) → S26.020
  • Injuryheart (traumatic)with hemopericardiumspecified type NEC → S26.09
  • Injuryheart (traumatic)without hemopericardiumcontusion → S26.11
  • Injuryheart (traumatic)without hemopericardiumlaceration → S26.12
  • Injuryheart (traumatic)without hemopericardiumspecified type NEC → S26.19
  • Injuryheart (traumatic)with hemopericardiumlaceration (mild)moderate → S26.021
  • Injuryheart (traumatic)with hemopericardiumlaceration (mild)major → S26.022

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

Hierarchy