Exhibit 21.1

List of Subsidiaries

Cepheid Europe SAS

Jurisdiction of organization: France

• Cepheid HBDC SAS (Wholly owned subsidiary of Cepheid Europe SAS)

Jurisdiction of organization: France

Cepheid AB

Jurisdiction of organization: Sweden

Cepheid HBDC

Jurisdiction of organization: California, U.S.A.

Cepheid GK

Jurisdiction of organization: Japan

Cepheid GmbH

Jurisdiction of organization: Germany

Cepheid Proprietary Limited (South Africa)

Jurisdiction of organization: South Africa

Cepheid UK Limited

Jurisdiction of organization: UK

Cepheid Benelux

Jurisdiction of organization: Belgium

Cepheid Holdings Pty Limited

Jurisdiction of organization: Australia

Cepheid Limited

Jurisdiction of organization: Hong Kong

• Cepheid (Shanghai) Commerce and Trade Co., Ltd. (A wholly owned subsidiary of Cepheid Limited)

Jurisdiction of organization: China

• Cepheid (Shanghai) Diagnostics Co., Ltd. (A wholly owned subsidiary of Cepheid Limited)

Jurisdiction of organization: China

Cepheid Lodi, LLC

Jurisdiction of organization: California, U.S.A.

Cepheid Singapore Pte Limited

Jurisdiction of organization: Singapore

Cepheid S.r.l.

Jurisdiction of organization: Italy

Cepheid India Pvt Limited

Jurisdiction of organization: India

CEPHEID BRASIL EXPORTAÇÃO E COMÉRCIO DE PRODUTOS DE DIAGNÓSTICOS LTDA.

Jurisdiction of organization: Brazil