2017/18 ICD-10-CM Diagnosis Code K35.3

Acute appendicitis with localized peritonitis

Applicable To
  • Acute appendicitis with or without perforation or rupture with peritonitis NOS
  • Acute appendicitis with or without perforation or rupture with localized peritonitis
  • Acute appendicitis with peritoneal abscess
The following code(s) above K35.3 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K35.3:
  • K00-K95
    2018 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • 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)
    Diseases of the digestive system
Approximate Synonyms ICD-10-CM K35.3 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert K35.3 to ICD-9-CM

Code History
Code annotations containing back-references to K35.3:

Diagnosis Index entries containing back-references to K35.3:

ICD-10-CM Codes Adjacent To K35.3
K31.81 Angiodysplasia of stomach and duodenum
K31.811 …… with bleeding
K31.819 …… without bleeding
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
K31.83 Achlorhydria
K31.84 Gastroparesis
K31.89 Other diseases of stomach and duodenum
K31.9 Disease of stomach and duodenum, unspecified
K35 Acute appendicitis
K35.2 Acute appendicitis with generalized peritonitis
K35.3 Acute appendicitis with localized peritonitis
K35.8 Other and unspecified acute appendicitis
K35.80 Unspecified acute appendicitis
K35.89 Other acute appendicitis
K36 Other appendicitis
K37 Unspecified appendicitis
K38 Other diseases of appendix
K38.0 Hyperplasia of appendix
K38.1 Appendicular concretions
K38.2 Diverticulum of appendix
K38.3 Fistula of appendix

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.