ICD-10 Diagnosis Code K66.9

Disorder of peritoneum, unspecified

Diagnosis Code K66.9

ICD-10: K66.9
Short Description: Disorder of peritoneum, unspecified
Long Description: Disorder of peritoneum, unspecified
This is the 2018 version of the ICD-10-CM diagnosis code K66.9

Valid for Submission
The code K66.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Diseases of peritoneum and retroperitoneum (K65-K68)
      • Other disorders of peritoneum (K66)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code K66.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 393 - OTHER DIGESTIVE SYSTEM DIAGNOSES WITH MCC
  • 394 - OTHER DIGESTIVE SYSTEM DIAGNOSES WITH CC
  • 395 - OTHER DIGESTIVE SYSTEM DIAGNOSES WITHOUT CC/MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.
  • 568.9 - Peritoneal disorder NOS

Synonyms
  • Disorder of pelvic peritoneum
  • Disorder of peritoneum

Information for Patients


Peritoneal Disorders

Your peritoneum is the tissue that lines your abdominal wall and covers most of the organs in your abdomen. A liquid, peritoneal fluid, lubricates the surface of this tissue.

Disorders of the peritoneum are not common. They include

  • Peritonitis - an inflammation of the peritoneum
  • Cancer
  • Complications from peritoneal dialysis

Your doctor may use imaging tests or lab tests to analyze the peritoneal fluid to diagnose the problem. Treatment of peritoneal disorders depends on the cause.

  • Peritonitis (Medical Encyclopedia)
  • Peritonitis - secondary (Medical Encyclopedia)
  • Peritonitis - spontaneous (Medical Encyclopedia)
  • Retroperitoneal inflammation (Medical Encyclopedia)


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