K35.20
Non-billableAcute appendicitis with gen peritonitis, without abscess
Acute appendicitis with generalized peritonitis, without abscess
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)
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is the ICD-10 code for acute appendicitis with gen peritonitis, without abscess?
The ICD-10-CM code for acute appendicitis with gen peritonitis, without abscess is K35.20. The full clinical description is "Acute appendicitis with generalized peritonitis, without abscess". K35.20 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K35.20 mean?
ICD-10-CM code K35.20 represents "Acute appendicitis with generalized peritonitis, without abscess". It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K35.20 a billable code?
No, K35.20 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under K35.20.
What chapter is K35.20 in?
K35.20 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K35.20?
K35.20 has 3 child codes, including: K35.200 (Acute appendicitis with gen peritonitis, w/o perf or abscs), K35.201 (Ac appendicitis with gen peritonitis, with perf, w/o abscs), K35.209 (Ac appendicitis w gen peritonitis,w/o abscs,unsp as to perf).
What are the UMLS CUIs for K35.20?
K35.20 is linked to 1 UMLS Concept Unique Identifier: C4702811. 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.