AutoICD API

K35.2

Non-billable

Acute appendicitis with generalized peritonitis

Acute appendicitis with generalized peritonitis

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

K35-K38

Parent Code

K35

Child Codes

2

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 (2)

K35.20

Acute appendicitis with gen peritonitis, without abscess

K35.21

Acute appendicitis with gen peritonitis, with abscess

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code K35.2?

ICD-10-CM code K35.2 represents "Acute appendicitis with generalized peritonitis". It is a non-billable header code — use a more specific child code for billing purposes.

Is K35.2 a billable code?

No, K35.2 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under K35.2.

What chapter is K35.2 in?

K35.2 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

What are the subcategories under K35.2?

K35.2 has 2 child codes, including: K35.20 (Acute appendicitis with gen peritonitis, without abscess), K35.21 (Acute appendicitis with gen peritonitis, with abscess).

What are the UMLS CUIs for K35.2?

K35.2 is linked to 1 UMLS Concept Unique Identifier: C0156092. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Try FreeView API Docs

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.