K66
Non-billableOther disorders of peritoneum
Other disorders of peritoneum
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- ascites (R18.-)
- peritoneal effusion (chronic) (R18.8)
Child Codes (4)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K66?
ICD-10-CM code K66 represents "Other disorders of peritoneum". It is a non-billable header code — use a more specific child code for billing purposes.
Is K66 a billable code?
No, K66 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K66.
What chapter is K66 in?
K66 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K66?
K66 has 4 child codes, including: K66.0 (Peritoneal adhesions (postprocedural) (postinfection)), K66.1 (Hemoperitoneum), K66.8 (Other specified disorders of peritoneum), K66.9 (Disorder of peritoneum, unspecified).
What are the UMLS CUIs for K66?
K66 is linked to 1 UMLS Concept Unique Identifier: C0156180. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.