EXHIBIT 21

DIAGNOSTIC PRODUCTS CORPORATION AND SUBSIDIARIES
EXHIBIT 21
SUBSIDIARIES

Name Place of Incorporation % Ownership
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DPC Cirrus Inc. USA/Delaware 100%

EURO/DPC Limited United Kingdom 100%

Diagnostic Products International, Inc. Barbados 100%

DPC Holding GmbH Germany 100%

DPC Biermann GmbH Germany 100%

DPC Czech s.r.o. Czech Republic 100%

DPC d.o.o. Zagreb Croatia 50%

DPC Polska sp.z.o.o. Poland 100%

Diagnostic Products Corporation Benelux B.V. Netherlands 100%

Diagnostic Products Corporation Nederland B.V. Netherlands 100%

Diagnostic Products Corporation Belgium b.v.b.A. Belgium 100%
/s.p.r.l.

Diagnostic Products Corporation DPC Finland Oy Finland 100%

Bio-Mediq DPC Pty. Ltd. Australia 100%

DPC Dipesa, S.A. Spain 100%

DPC France, SAS France 100%

Tianjin De Pu (DPC) China 100%
Biotechnological and Medical Products, Inc.

Diagnostic Products DPC Norway, AS Norway 100%

DPC Medlab Produtos Medico Hospitalares Ltda. Brazil 56%

DPC Venezuela C.A. Venezuela 56%

DPC Medlab de Uruguay S.A. Uruguay 56%

DPC Medlab Centroamerica S.A. Costa Rica 56%

Nippon DPC Corporation USA/California 50%

DPC Skafte AB Sweden 100%

DPC Scandinavia Sweden 100%

D.P.C.-N. Tsakiris S.A. Greece 50%

Medical Systems, S.p.A. Italy 45%

Amerlab, Lda. Portugal 40%