Customer Service

Phone, Fax & Email

1.800.550.6227 Toll Free
1.800.652.9556 Fax
Send Us a Message

Hours of Operation

Monday-Friday
7 a.m.-7 p.m. Mountain

Saturday
9 a.m.-1 p.m. Mountain 

Specimen Shipping Address

Note: A Requisition Form Must be Included with All Samples.

[Laboratory as indicated on requisition]
National Jewish Health
1400 Jackson St.
Denver, CO 80206

More Contact Information

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Frequently Ordered Tests

Please visit our Test Menu for a complete listing of diagnostic tests.

  • AFB
  • AH50
  • Alpha-1
  • Anti-IgE
  • C1q: Acquired Angioedema (C1q level)
  • CEIAP: Acquired Angioedema (Autoantibody to C1-inhibitor)
  • CH50
  • C3a
  • C4a
  • FXIISA: Factor XII SNP Analysis
  • IGERAB: Anti-IgE Receptor Ab
  • IL-12: Interleukin 12
  • MEMB: Memory B Cells