DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K68 Disorders of retroperitoneum

  • Header · not billable

K68 is not billable. The category heads 6 billable codes in FY2027, grouped under 4 subdivisions.

Index → code

  • Retroperitonitis → K68.9
  • Disorder (of)retroperitoneal → K68.9
  • Syndromeretroperitoneal fibrosis → K68.2

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K65-K6A Diseases of peritoneum, retroperitoneum and pelvis (K65-K6A)
  3. K68 Disorders of retroperitoneum
Billable codes
6
Subdivisions
4
CC / MCC codes
1 / 5
HCC V28 codes
2
New FY2027
0
Index entries
16

Codes in K68

  1. K68.1
    Retroperitoneal abscess
    Header
  2. K68.11
    Postprocedural retroperitoneal abscess
    BillableCC
    Excludes2 1

    Excludes2

    • infection following procedure (T81.4-) T81.4
  3. K68.12
    Psoas muscle abscess
    BillableMCC78
  4. K68.19
    Other retroperitoneal abscess
    BillableMCC78
  5. K68.2
    Retroperitoneal fibrosis
    BillableMCC
    Code also 1

    Code also

    • , if applicable, associated obstruction of ureter (N13.5) N13.5
  6. K68.3
    Retroperitoneal hematoma
    BillableMCC
    Inclusion terms 1

    Inclusion terms

    • Retroperitoneal hemorrhage
  7. K68.9
    Other disorders of retroperitoneum
    BillableMCC

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.

Instructions

Notes that also apply

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.

Index entries

  • Retroperitonitis → K68.9
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)psoas muscle → K68.12
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)extraperitoneal → K68.19
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)presacral → K68.19
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)retroperitoneal NEC → K68.19
  • Fibrosis, fibroticretroperitoneal → K68.2
  • Syndromeretroperitoneal fibrosis → K68.2
  • Hematoma (traumatic) (skin surface intact)retroperitoneal (nontraumatic) → K68.3
  • Hemorrhage, hemorrhagic (concealed)retroperitoneal → K68.3
  • Cellulitis (diffuse) (phlegmonous) (septic) (suppurative)retroperitoneal → K68.9
  • Cyst (colloid) (mucous) (simple) (retention)retroperitoneal → K68.9
  • Disorder (of)retroperitoneal → K68.9
  • Infection, infected, infective (opportunistic)retroperitoneal NEC → K68.9
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)postoperative (any site)retroperitoneal → K68.11
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)retroperitoneal NECpostprocedural → K68.11
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)intra-abdominalpostproceduralretroperitoneal → K68.11

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

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