LabNorms Population Percentiles

Blood Urea Nitrogen (BUN)

Females, Age 40-49

The median blood urea nitrogen (BUN) for US females aged 40-49 is 12 mg/dL (4.3 mmol/L urea), with 90% of the population falling between 7 mg/dL and 19 mg/dL.

NHANES 2017-March 2020 Pre-Pandemic 2017-2020 · Sample size: 649 participants · Unit: mg/dL

Percentile Distribution

Unit:
Percentile P5P10P25P50P75P90P95
Value (mg/dL) 7 8 10 12 15 18 19
Percentile Value (mg/dL)
P5 7
P10 8
P25 10
P50 12
P75 15
P90 18
P95 19
7 10 12 15 19
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
649 participants
Reference population
US civilian non-institutionalized females aged 40-49 from NHANES 2017-March 2020. Includes the full population (not restricted to healthy individuals) to reflect the population distribution.
Exclusion criteria
  • Missing blood urea nitrogen measurement (LBXSBU)
  • Missing or zero MEC sample weight (WTMEC)
  • Age outside 40-49 range
Notes
Percentiles computed using the combined pre-pandemic MEC weight (WTMECPRP). Blood urea nitrogen measured as LBXSBU in mg/dL.

Other Demographic Groups