Bone marrow aspiration andor biopsy (1072)

Key points below

 Bone marrow is the soft, spongy center of the bones.  Blood cells grow in the marrow before they go through the blood vessels and into the body.   A bone marrow aspiration removes only the marrow.

Where is the procedure done?

How is the procedure done?

Child on their belly with a needle aspiration.  Close up drawing showing where the needle goes to the bone.

What follow-up care is needed?

When will we get the test results?

The doctor may be able to give you the first results of the aspirate within a few hours.  The biopsy results and the complete aspirate results may take 2 to 3 days or longer. 


Call your child’s doctor, nurse, or clinic if you have any questions or concerns or if your child has:

  • Any signs of an infection at the sight of the aspirate or biopsy.
  • Special health care needs that were not covered by this information.