Zinc (serum)

Clinical definition of the Zinc test
Zinc is one of the essential minerals which is needed for the body's defense (immune) system to properly work. It plays a role in cell division, cell growth, wound healing and the breakdown of carbohydrates. Zinc is also an essential component of around 200 enzymes that are involved in a range of actions within the body and is needed for the senses of smell and taste too.

Why is the Zinc test done?
This test is done to check for deficiency of Zinc and hence helps in the diagnosis and treatment of it.

What are the common signs/symptoms when the Zinc test is done?

  • Frequent infections
  • Hypogonadism in males
  • Loss of hair
  • Poor appetite
  • Problems with the sense of taste
  • Problems with the sense of smell
  • Slow growth
  • Trouble seeing in the dark
  • Various skin lesions
  • Wounds that take a long time to heal

Who should do the Zinc test (Target population)?
Persons showing the above signs & symptoms.

What should I do before the Zinc test?

Specimen type

Specimen collection procedure

Preparatory instructions before the test *

Serum (Blood Sample)

Venipuncture - Collection of blood from a vein, usually from the arm.

No Fasting Required.

No other special preparations required.

*Subjects suffering from any illness or on oral or injectable medications are advised to consult their physician prior to requesting any tests or procedures.

How do I interpret my Zinc test results?

Reference Range*



49.5 - 99.7 Ug/dl

School Children

63.8 - 110 Ug/dl


70.0 - 114 Ug/dl **


72.6 to 127 Ug/dl **

‘*A Reference range is a set of values which helps the healthcare professional to interpret a medical test. It may vary with age, gender, and other factors. Reference ranges may also vary between labs, in value & units depending on instruments used and method of establishment of reference ranges’                       

Diseases/conditions related to the Zinc test

  • Multiple sclerosis
  • Rhematoid arthritis
  • Psoriasis

Other tests related to the Zinc test

  • Serum Alkaline phosphatase