Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: INF30
MultiStage: No
DXCat Label: Varicella (Chickenpox) Specificity: A
Etiology: Infection, Viral
Stage Description Diagnostic findings ICD-9-CM Codes
3.03 with Reye's syndrome Reye’s syndrome
STAGE 1.01-3.02 + GROUP
OR History of recent convalescence from an upper respiratory tract infection, influenza or REYE_S;
varicella in child aged ≤ 16 years old
AND disorientation:
OR vomiting
OR lethargy
AND fatty infiltration of the liver (operative or pathology report)
OR serum ammonia > 50 mcg/dL (chemistry report)
AND AST (SGOT) ≥ 105 u/l (Chemistry report)
AND ALT (SGPT) ≥ 90 u/l (chemistry report)
3.04 with meningoencephalitis Stage 1.01-1.03 and 2.01-3.03
AND aseptic meningitis:
AND ataxia
OR nystagmus
OR paralysis
3.05 with coma Stage 1.01-3.04
AND coma:
3.06 with shock Stage 1.01-3.05
AND shock:
4.00 with death Stage 1.01-3.06
AND death
DX 0520, 0522;
STAGE 1.01-3.03 + DX 0530;
STAGE 1.01-3.04 + GROUP COMA;
STAGE 1.01-3.05 + (GROUP
SHOCKC OR GROUP SHOCKN) ;
NO;
Thursday, January 07, 2010 9:22:28 AM
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