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Testosterone

A testosterone levels test measures the amount of the hormone testosterone in a sample of your blood. Hormones are chemical messengers in your bloodstream that control the actions of certain cells or organs.

A testosterone levels test may be used with other tests to help your provider find the cause of abnormal testosterone levels.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

46 published ranges, each from a named source
Female · 19 y+
8–60 ng/dL
Female · 60 y+
5–32 ng/dL
Female
18–54 ng/dL
Male · 19 y+
240–950 ng/dL
Male · 60 y+
300–720 ng/dL
Male
291–1100 ng/dL
Ranges from ARUP Laboratories Test Directory, American Board of Internal Medicine (Laboratory Test Reference Ranges), Mayo Clinic Laboratories (Pediatric Test Catalog), Mayo Clinic Laboratories (Test Catalog).

All source ranges (46)
SourceSexAgeRange
American Board of Internal Medicine (Laboratory Test Reference Ranges) Female all ages 18–54 ng/dL
American Board of Internal Medicine (Laboratory Test Reference Ranges) Male all ages 291–1100 ng/dL
ARUP Laboratories Test Directory Female ≤ null d 20–64 ng/dL
ARUP Laboratories Test Directory Female 30 d – 5 mo <20 ng/dL
ARUP Laboratories Test Directory Female 6 mo – 2 y <9 ng/dL
ARUP Laboratories Test Directory Female 2 y – 3 y <20 ng/dL
ARUP Laboratories Test Directory Female 4 y – 5 y <30 ng/dL
ARUP Laboratories Test Directory Female 6 y – 7 y <7 ng/dL
ARUP Laboratories Test Directory Female 8 y – 9 y 1–11 ng/dL
ARUP Laboratories Test Directory Female 10 y – 11 y 3–32 ng/dL
ARUP Laboratories Test Directory Female 12 y – 13 y 6–50 ng/dL
ARUP Laboratories Test Directory Female 14 y – 15 y 6–52 ng/dL
ARUP Laboratories Test Directory Female 16 y – 17 y 9–58 ng/dL
ARUP Laboratories Test Directory Female 18 y – 39 y 9–55 ng/dL
ARUP Laboratories Test Directory Female 40 y – 59 y 9–55 ng/dL
ARUP Laboratories Test Directory Female 60 y+ 5–32 ng/dL
ARUP Laboratories Test Directory Male ≤ null d 75–400 ng/dL
ARUP Laboratories Test Directory Male 30 d – 5 mo 14–363 ng/dL
ARUP Laboratories Test Directory Male 6 mo – 2 y <37 ng/dL
ARUP Laboratories Test Directory Male 2 y – 3 y <15 ng/dL
ARUP Laboratories Test Directory Male 4 y – 5 y <19 ng/dL
ARUP Laboratories Test Directory Male 6 y – 7 y <13 ng/dL
ARUP Laboratories Test Directory Male 8 y – 9 y 2–8 ng/dL
ARUP Laboratories Test Directory Male 10 y – 11 y 2–165 ng/dL
ARUP Laboratories Test Directory Male 12 y – 13 y 3–619 ng/dL
ARUP Laboratories Test Directory Male 14 y – 15 y 33–585 ng/dL
ARUP Laboratories Test Directory Male 14 y – 15 y 31–733 ng/dL
ARUP Laboratories Test Directory Male 16 y – 17 y 185–886 ng/dL
ARUP Laboratories Test Directory Male 16 y – 17 y 158–826 ng/dL
ARUP Laboratories Test Directory Male 18 y – 39 y 300–1080 ng/dL
ARUP Laboratories Test Directory Male 40 y – 59 y 300–890 ng/dL
ARUP Laboratories Test Directory Male 60 y+ 300–720 ng/dL
Mayo Clinic Laboratories (Test Catalog) Female ≤ 5 mo 20–80 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female ≤ 5 mo 20–80 ng/dL
Mayo Clinic Laboratories (Test Catalog) Female 17 y – 18 y 20–75 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 17 y – 18 y 20–75 ng/dL
Mayo Clinic Laboratories (Test Catalog) Female 19 y+ 8–60 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Female 19 y+ 8–60 ng/dL
Mayo Clinic Laboratories (Test Catalog) Male ≤ 5 mo 75–400 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male ≤ 5 mo 75–400 ng/dL
Mayo Clinic Laboratories (Test Catalog) Male 15 y – 16 y 100–1200 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 15 y – 16 y 100–1200 ng/dL
Mayo Clinic Laboratories (Test Catalog) Male 17 y – 18 y 300–1200 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 17 y – 18 y 300–1200 ng/dL
Mayo Clinic Laboratories (Test Catalog) Male 19 y+ 240–950 ng/dL
Mayo Clinic Laboratories (Pediatric Test Catalog) Male 19 y+ 240–950 ng/dL

What an abnormal result can be associated with

A high result
Increased serum testosterone level
A low result
Decreased serum testosterone concentration
Associations from LOINC2HPO (Human Phenotype Ontology). This is reference information, not a diagnosis: only a clinician can interpret your result in context.
details
Sample
Serum or plasma · LOINC
Collection
1 mL · Mayo Clinic Laboratories (Test Catalog)
Part of
Bryan Johnson Blueprint
Listed under
Erectile Dysfunction · Hormones · Male Infertility · Men's Health · Sexual Health · Sexual Problems in Men · Teen Sexual Health · Testicular Disorders
Code
LOINC 2986-8 · ng/dL
Also known as
Testo, Testos, Testost
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