Gastroenterology · Emergency Medicine

Harmless Acute Pancreatitis Score (HAPS) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Rebound abdominal tenderness or guarding

Abnormal hematocrit: >43% in men or >39.6% in women

Serum creatinine ≥2 mg/dL

Result

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Clinical inputs

Rebound abdominal tenderness or guarding
Abnormal hematocrit: >43% in men or >39.6% in women
Serum creatinine ≥2 mg/dL

Primary source

Lankisch PG et al. The harmless acute pancreatitis score: a clinical algorithm for rapid initial stratification of nonsevere disease. Clin Gastroenterol Hepatol. DOI: 10.1016/j.cgh.2009.02.020. PMID: 19245846. Scope: assessment within approximately 30 minutes of admission for a first attack of acute pancreatitis. (2009)

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