DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S73 Dislocation and sprain of joint and ligaments of hip

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

S73 is not billable. The category heads 126 billable codes in FY2027, grouped under 2 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Subluxationhip → S73.00-
  • Dislocation (articular)hip → S73.00-
  • Sprain (joint) (ligament)hip → S73.10-

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S70-S79 Injuries to the hip and thigh (S70-S79)
  3. S73 Dislocation and sprain of joint and ligaments of hip
Billable codes
126
Subdivisions
2
CC / MCC codes
30 / 0
HCC V28 codes
30
New FY2027
0
Index entries
14

Codes in S73

  1. S73.0
    Subluxation and dislocation of hip
    Header
    Excludes2 1

    Excludes2

    • dislocation and subluxation of hip prosthesis (T84.020, T84.021) T84.020 T84.021
  2. S73.00
    Unspecified subluxation and dislocation of hip
    Header
    Inclusion terms 2

    Inclusion terms

    • Dislocation of hip NOS
    • Subluxation of hip NOS
  3. S73.001
    Unspecified subluxation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  4. S73.002
    Unspecified subluxation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  5. S73.003
    Unspecified subluxation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  6. S73.004
    Unspecified dislocation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  7. S73.005
    Unspecified dislocation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  8. S73.006
    Unspecified dislocation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  9. S73.01
    Posterior subluxation and dislocation of hip
    Header
  10. S73.011
    Posterior subluxation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  11. S73.012
    Posterior subluxation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  12. S73.013
    Posterior subluxation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  13. S73.014
    Posterior dislocation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  14. S73.015
    Posterior dislocation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  15. S73.016
    Posterior dislocation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  16. S73.02
    Obturator subluxation and dislocation of hip
    Header
  17. S73.021
    Obturator subluxation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  18. S73.022
    Obturator subluxation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  19. S73.023
    Obturator subluxation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  20. S73.024
    Obturator dislocation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  21. S73.025
    Obturator dislocation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  22. S73.026
    Obturator dislocation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  23. S73.03
    Other anterior subluxation and dislocation of hip
    Header
  24. S73.031
    Other anterior subluxation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  25. S73.032
    Other anterior subluxation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  26. S73.033
    Other anterior subluxation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  27. S73.034
    Other anterior dislocation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  28. S73.035
    Other anterior dislocation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  29. S73.036
    Other anterior dislocation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  30. S73.04
    Central subluxation and dislocation of hip
    Header
  31. S73.041
    Central subluxation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  32. S73.042
    Central subluxation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  33. S73.043
    Central subluxation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  34. S73.044
    Central dislocation of right hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  35. S73.045
    Central dislocation of left hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  36. S73.046
    Central dislocation of unspecified hip +7th: A D S
    Needs 7th characterCC A402 (some 7th characters)Exempt: 2 of 3 7th characters
  37. S73.1
    Sprain of hip
    Header
  38. S73.10
    Unspecified sprain of hip
    Header
  39. S73.101
    Unspecified sprain of right hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  40. S73.102
    Unspecified sprain of left hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. S73.109
    Unspecified sprain of unspecified hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  42. S73.11
    Iliofemoral ligament sprain of hip
    Header
  43. S73.111
    Iliofemoral ligament sprain of right hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  44. S73.112
    Iliofemoral ligament sprain of left hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. S73.119
    Iliofemoral ligament sprain of unspecified hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. S73.12
    Ischiocapsular (ligament) sprain of hip
    Header
  47. S73.121
    Ischiocapsular ligament sprain of right hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  48. S73.122
    Ischiocapsular ligament sprain of left hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. S73.129
    Ischiocapsular ligament sprain of unspecified hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  50. S73.19
    Other sprain of hip
    Header
  51. S73.191
    Other sprain of right hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  52. S73.192
    Other sprain of left hip +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  53. S73.199
    Other sprain of unspecified hip +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

At S73

Includes

  • avulsion of joint or ligament of hip
  • laceration of cartilage, joint or ligament of hip
  • sprain of cartilage, joint or ligament of hip
  • traumatic hemarthrosis of joint or ligament of hip
  • traumatic rupture of joint or ligament of hip
  • traumatic subluxation of joint or ligament of hip
  • traumatic tear of joint or ligament of hip

Excludes2

  • strain of muscle, fascia and tendon of hip and thigh (S76.-) S76

Code also

  • any associated open wound

Notes that also apply

Block S70-S79 instructions (Excludes2 4): 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 S73 defined here

The appropriate 7th character is to be added to each code from category S73

7th characters for S73
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

  • Dislocation (articular)hip → S73.00-
  • Subluxationhip → S73.00-
  • Sprain (joint) (ligament)hip → S73.10-
  • Dislocation (articular)hipposterior → S73.01-
  • Subluxationhipposterior → S73.01-
  • Dislocation (articular)hipanterior → S73.03-
  • Subluxationhipanterior → S73.03-
  • Dislocation (articular)hipcentral → S73.04-
  • Subluxationhipcentral → S73.04-
  • Sprain (joint) (ligament)hipiliofemoral ligament → S73.11-
  • Sprain (joint) (ligament)hipischiocapsular (ligament) → S73.12-
  • Sprain (joint) (ligament)hipspecified NEC → S73.19-
  • Dislocation (articular)hipanteriorobturator → S73.02-
  • Subluxationhipanteriorobturator → S73.02-

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

Hierarchy