Welcome to the metric system.
nmol/L stands for "nanomoles per liter"
For the normal male aged 60 or above the reference value for normal is 12.15 to 24.98.
Sometimes testosterone is presented in ng/dL (nanograms per deciliter).
For the normal male aged 60 or above the reference range in ng/dL is 350-720.
If your husband is younger than 60 the high end will be slightly higher.
Testosterone is know to fuel metastatic prostate cancer. Hormone therapy is advised to reduce the T level in those cases. Your husbands value is squarely in the normal range. I assume he is not taking any HT at this time.
Best to you and your husband.
PS My own T level is around 35 per last test.
Diagnosed 04/10/08 Age 58 at the time
Gleason 4 + 3
DRE palpable tumor on left side
100% of 12 cores positive for PCa range 35% to 85%
Bone scan clear and chest x ray clear
CT scan shows potential lymph node involvement in pelvic region
Started Casodex on May 2 and stopped on June 1, 2008
Lupron injection on May 15 and every four months for next two years
Started IMRT/IGRT on July 10, 2008. 45 treatments scheduled
First 25 to be full pelvic for a total dose of 45 Gray to lymph nodes.
Last 20 to prostate only. Total dose to prostate 81 Gray.
Completed IMRT/IGRT 09/11/08.
PSA 02/08 21.5 at diagnosis
PSA 07/08 .82 after 8 wks of hormones
PSA 10/08 .642 one month after completion of IMRT, 6 months hormone
PSA 03/09 .38 six months post radiation and nine months into hormones
PSA 06/09 .36 or .30 depending on who did the test