Disease staging: CliniCal anD CoDeD Criteria - HCUP

Clinical Criteria with Description, Diagnostic Findings and ICD-9-CM codes
DXCat Number: PED31
MultiStage: No
DXCat Label: Toxoplasmosis: Congenital Specificity: A
Etiology: Infection
Stage Description Diagnostic findings ICD-9-CM Codes
1.01 Asymptomatic congenital toxoplasmosis Congenital toxoplasma gondii [Toxoplasma gondii from placenta fetal blood or Toxoplasma gondii
from amniotic fluid or Toxoplasma gondii from infant’s cord blood or Toxoplasma gondii from
peripheral blood]
DX 7712;
OR B1 gene [amniotic fluid PCR report, infant’s blood PCR report or CSF PCR report
OR detection of Toxoplasma-specific IgM, IgA or IgE [double sandwich ELISA or ISAGA report]
OR persistence of Toxoplasma-IgG beyond one year of life
1.02 with lymphadenitis Enlarged lymph nodes
AND
antibodies present against Toxoplasma gondii in high titers
[IgG Sabin-Feldman dye test ≥ 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 Generalized congenital toxoplasmosis Stage 1.01-1.02
AND hepatosplenomegaly
OR generalized lymphadenopathy
OR jaundice:
OR anemia:
STAGE 1.01 + (DX 683, 7856);
STAGE 1.01-1.02 + (DX 2893, 5718
OR GROUP HYPERBILI OR GROUP
ANEM_OTH_UN OR GROUP
ANEM_APLAST OR GROUP
ANEM_HEM_ACQ OR DXCAT
HEM03 OR DXCAT HEM05 OR
DXCAT HEM06 OR DXCAT HEM07
OR DXCAT HEM08 OR DX 2820-
2821 , 2823, 2827-2829);
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:
STAGE 1.01-2.01 + DX 36330;
STAGE 2.02 + GROUP BLINDNESS;
DX 7700;
Thursday, January 07, 2010 9:23:03 AM
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