Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: GIS05
MultiStage: No
DXCat Label: Appendicitis Specificity: A
Etiology: Idiopathic
Stage Description Diagnostic findings ICD-9-CM Codes
1.01 Appendicitis Appendicitis [operative/pathology report]
DX 5409-542;
2.01 with localized peritonitis or abscess Stage 1.01
DX 5401;
AND localized peritonitis [operative/pathology report]
OR abscess [operative/pathology report]
2.02 and intestinal obstruction Stage 1.01-2.01
STAGE 1.01-2.01 + (DX 5373,
AND small bowel obstruction or large bowel obstruction [operative/pathology report or
KUB x-ray report]
5609);
2.03 with perforation and generalized peritonitis Stage 1.01-2.02
AND perforation and generalized peritonitis [operative/pathology report]
OR peritonitis (peritoneal fluid culture reports growth of pathologic organisms)
2.04 with pylephlebitis or liver abscess Stage 1.01-2.03
AND pylephlebitis or liver abscess [operative/pathology report]
3.01 with sepsis Stage 1.01-2.04
AND sepsis:
3.02 with shock Stage 1.01-3.01
AND shock:
4.00 with death Stage 1.01-3.02
AND death
References:
Forrest APM, Carter DC, Macleod LB. The appendix. In: Principles and Practice of Surgery. 3rd ed. Churchill-Livingstone. 1995:436-442.
Grosfeld JL. Pediatric surgery, acute appendicitis. In: Sabiston, ed. Sabiston Textbook of Surgery. 15th ed. Philadelphia, PA: WB Saunders; 1997:1259-1260.
DX 5400;
STAGE 1.01-2.02 + DX 56983;
STAGE 1.01-2.03 + DX 5720;
STAGE 1.01-2.04 + GROUP SEPSIS;
STAGE 1.01-3.01 + (GROUP
SHOCKC OR GROUP SHOCKN) ;
McCall JL. Sharples K. Jadallah F. Systematic review of randomized controlled trials comparing laparoscopic with open appendicectomy. British Journal of Surgery. 1997
84(8):1045-1050.
McQuaid KR. Appendicitis. In: Tierney Jr LM, McPhee SJ Papadakis MA, eds. Current Medical Diagnosis & Treatment. Stamford, CT: Appleton & Lange; 1998:600-601.
Sabiston DC. Appendicitis. In: Sabiston, ed. Sabiston Textbook of Surgery, 15th ed. Philadelphia, PA: WB Saunders; 1997:964-970.
Sawin RS. Appendix and meckel diverticulum. In: Oldham KT, Colombani PM, Foglia RP, eds. Surgery of Infants and Children. Philadelphia, PA: JB Lippincott-Raven; 1997:1215-
1228.
Silen W. Acute appendicitis. In: Fauci AS, Braunwald E, Isselbacher KJ, Wilson JD, Martin JB, Kasper DL, Hauser SL, Longo, DL, eds. Harrison’s Principles of Internal Medicine.
14th ed. New York, NY: McGraw-Hill; 1998:1658-1660.
Tate JJ. Laparoscopic appendicectomy. British Journal of Surgery. 1996:83(9):1169-1170.
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