LabNorms Population Percentiles

Gamma-Glutamyl Transferase (GGT)

Females, Age 20-29

The median gamma-glutamyl transferase (GGT) for US females aged 20-29 in the US population is 14.0 U/L, with 90% of the population falling between 7.0 and 49.4 U/L.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 985 participants · Unit: U/L

Percentile Distribution

Percentile P5P25P50P75P95
Value (U/L) 7 10 14 21 49.4
7 10 14 21 49.4
P5 P25 P50 P75 P95

Data and Methodology

Dataset
NHANES 2017-March 2020 Pre-Pandemic ( NHANES 2017–2020 2020 , Survey-weighted percentiles from full MEC sample)
Survey years
2017-2020
Sample size
985 participants
Reference population
US civilian non-institutionalized females aged 20-29 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
Exclusion criteria
  • Missing GGT measurement (LBXSGTSI)
  • Missing or zero MEC sample weight (WTMEC)
  • Age outside 20-29 range
Notes
Percentiles computed using survey-weighted analysis (WTMEC weight, divided by 2 to pool two cycles). GGT measured as LBXSGTSI in U/L.

Other Demographic Groups