Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: INF29
MultiStage: No
DXCat Label: Toxoplasmosis: Acquired Specificity: A
Etiology: Infection
Stage Description Diagnostic findings ICD-9-CM Codes
1.01
1.02
Asymptomatic
Acute toxoplasmosis with lymphadenitis
Toxoplasmosis: [IgG antibodies present against Toxoplasma gondii by Sabin-Feldman dye test ≥
1:4 or indirect fluorescent antibody ≥ 1:10 or indirect hemagglutination test = 1:16 or complement
fixation test ≥ 1:4 or ELISA titer ≥ 2 or positive tissue culture report or tachyzoites of Toxoplasma
gondii in tissue or body fluids per operative/pathology report]
Enlarged lymph nodes
DX 1307, 1309;
STAGE 1.01 + (DX 2891-2893, 683,
AND antibodies present against Toxoplasma gondii in high titers [IgG Sabin-Feldman dye test ≥ 7856);
1:1000 or indirect fluorescent antibody ≥ 1:1000 or indirect hemagglutination test ≥
1:1000 or complement fixation test ≥ 1:4 or ELISA titer ≥ 6]
OR isolation of Toxoplasma gondii from body fluids [tissue culture report]
2.01 Acute Toxoplasma mononucleosis
syndrome
Stage 1.02
AND hepatosplenomegaly
OR maculopapular rash
OR jaundice:
2.02 with chorioretinitis Stage 1.01-2.01
AND chorioretinitis [ophthalmologist’s report]
2.03 with chorioretinitis and blindness Stage 2.02
AND blindness:
AND macular scar [ophthalmologist’s report]
OR retinal detachment [ophthalmologist’s report]
OR optic nerve atrophy [ophthalmologist’s report]
2.04 Toxoplasma pneumonia Stage 1.02-2.03
AND pneumonia:
3.01 Toxoplasma myocarditis Stage 1.02-2.04
AND myocarditis:
3.02 with disseminated toxoplasmosis Stage 1.02-3.01
AND disseminated toxoplasmosis
3.03 with meningoencephalitis Stage 1.01-3.02
AND Toxoplasma gondii in CSF or brain [tissue culture report or tachyzoites of Toxoplasma
gondii in tissue operative/pathology report]
Presumptive Diagnostic Findings:
Toxoplasma meningoencephalitis [MRI or CT scan report]
DX 1305;
STAGE 1.02 + (DX 5781, 7891,
7892);
DX 1301-1302;
STAGE 2.02 + GROUP BLINDNESS;
DX 1304;
DX 1303;
DX 1308;
DX 1300;
3.04 with coma Stage 1.01-3.03
AND coma:
4.00 with death Stage 2.02-3.04
AND death
STAGE 1.01-3.03 + GROUP COMA;
NO;
Thursday, January 07, 2010 9:22:28 AM
©2010 Thomson Reuters. All rights reserved.