Children's Family Laboratory

CHLA Family laboratories have four draw stations located throughout the community - Arcadia, Valencia, Encino, and Pasadena.

Services for All Ages

We offer services to patients of all ages – neonates, children, adults, and the elderly.

Patient Service Centers

Walk-ins are always welcome, which means no appointment is necessary!

  • The Children's Laboratory is accredited by the College of American Pathologists.
  • At all times, a board-certified pathologist is available for consultation.

Children’s Hospital Los Angeles provides laboratory services at the following satellite locations:

Children's Laboratory of Arcadia

468 E. Santa Clara St.
Arcadia, CA 91006

Phone: 877-543-9522
Fax: 626-359-1019

Walk-in service: Monday - Friday, 8 a.m. - noon and 1 p.m. - 5 p.m.

Children's Laboratory of Encino

5353 Balboa Blvd., Suite #100
Encino, CA 91316


Phone: 877-543-9522
Fax: 818-728-4932

Walk-in service: Monday - Friday, 9 a.m. - 6 p.m.
Saturday: 9 a.m.-1 p.m. (appointment preferred)

Children's Laboratory of Pasadena

800 S. Fairmount Ave., Suite #115
Pasadena, CA 91105


To make an appointment, please call 877-543-9522

Fax: 626-578-1906

Walk-in service: Monday-Friday, 7 a.m.-6 p.m. (open during lunch hours)

Children's Laboratory of Valencia

23838 Valencia Blvd., Suite #140
Valencia, CA 91355


Phone: 877-543-9522
Walk-in service: Monday-Friday, 8 a.m.–noon and 1–5 p.m.
For genetic testing, please call 877-543-9522.