ICD-10-CM Diagnosis Code (2025)
Official Description for K66
Other disorders of peritoneum
Coding Notes & Guidelines for K66
Excludes1: Not Coded Here
peritoneal adhesions with intestinal obstruction (K56.5-)
Excludes1: Not Coded Here
traumatic hemoperitoneum (S36.8-)
Excludes2: Not Included Here
- ascites (R18.-)
- peritoneal effusion (chronic) (R18.8)
Excludes2: Not Included Here
- female pelvic adhesions [bands] (N73.6)
- female pelvic postprocedural adhesions (N99.4)
Excludes2: Not Included Here
- retroperitoneal hematoma (K68.3)
- retroperitoneal hemorrhage (K68.3)
Inclusion Terms
- Adhesions (of) abdominal (wall)
- Adhesions (of) diaphragm
- Adhesions (of) intestine
- Adhesions (of) male pelvis
- Adhesions (of) omentum
- Adhesions (of) stomach
- Adhesive bands
- Mesenteric adhesions
Inclusion Terms
- Peritoneal hematoma
- Peritoneal hemorrhage
Child Codes (More Specific Codes for K66):
About ICD-10-CM Code K66 (Other disorders of peritoneum)
ICD-10-CM code K66 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K66 became effective on October 1, 2024.
This page provides detailed information about K66 - Other disorders of peritoneum. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other disorders of peritoneum.