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ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

K35.21 – Acute appendicitis with generalized peritonitis, with abscess

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

MDC / MS-DRG Reference

APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITH MCC
APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITH CC
APPENDECTOMY WITH COMPLICATED PRINCIPAL DIAGNOSIS WITHOUT CC/MCC
APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITH MCC
APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITH CC
APPENDECTOMY WITHOUT COMPLICATED PRINCIPAL DIAGNOSIS WITHOUT CC/MCC
MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH MCC
MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITH CC
MAJOR GASTROINTESTINAL DISORDERS AND PERITONEAL INFECTIONS WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Appendicitis (pneumococcal) (retrocecal) K37
with
peritonitis NEC K35.33
generalized (with perforation or rupture) K35.20
with abscess K35.21
acute (catarrhal) (fulminating) (gangrenous) (obstructive) (retrocecal) (suppurative) K35.80
with
peritonitis NEC K35.33
generalized (with perforation or rupture) K35.20
with abscess K35.21

Sibling Codes

Acute appendicitis with generalized peritonitis, without abscess

Parent Sibling Codes

Acute appendicitis with generalized peritonitis
Acute appendicitis with localized peritonitis
Other and unspecified acute appendicitis

View in Tabular

Code Title
K00-K95 Diseases of the digestive system (K00-K95)
K35-K38 Diseases of appendix (K35-K38)
K35 Acute appendicitis
K35.2 Acute appendicitis with generalized peritonitis
K35.21 Acute appendicitis with generalized peritonitis, with abscess