Answers about DEXA and RMR testing

Here are the questions we hear most about DEXA body composition scans, Resting Metabolic Rate (RMR) testing, pricing and booking at Body Fat USA in Denver. Each answer links to a page with more detail. Still have a question? Email info@bodyfatusa.com or call (303) 758-9552.

DEXA scan questions

A DEXA (dual-energy X-ray absorptiometry) scan is a fast, non-invasive test that uses very low-dose X-rays to measure fat mass, lean mass and bone—overall and region by region. Read more

Body fat percentage, fat mass, lean mass, bone mineral density (T- and Z-scores), arm/leg/trunk composition, right-versus-left balance and android/gynoid fat distribution. Read more

DEXA is widely regarded as a reference method for body composition and is known for excellent precision, so repeat scans under similar conditions are very consistent. Read more

Your appointment is 20 minutes. The scan itself typically takes 6–12 minutes, and your report is emailed in about 5 minutes. Read more

Yes. The radiation dose is very low—about the same as, or less than, one day of natural background radiation. DEXA scans are not performed during pregnancy. Read more

Colorado requires medical authorization for DEXA, but you do not need your own doctor's referral—every request is reviewed by our Medical Authority, Dr. Ryan Engelhardt, DC. Read more

Wear metal-free clothing, skip exercise before your scan, stay normally hydrated and keep conditions consistent for repeat scans. Read more

About every 8–12 weeks during an active program, or every 6–12 months for general health tracking. Read more

Anyone who wants to know what their weight is made of—especially people losing weight, GLP-1 users, athletes and strength trainees. Read more

Not directly. Some systems estimate it with software; Body Fat USA reports measured values such as android/gynoid fat distribution instead. Read more

BMI uses only height and weight. DEXA measures your actual fat, muscle and bone. Read more

DEXA is more detailed and more consistent; InBody-style impedance scales are faster and cheaper but strongly affected by hydration. Read more

RMR testing questions

A Resting Metabolic Rate test measures the calories your body burns at rest to sustain basic life functions. Read more

With indirect calorimetry: you breathe normally into a mouthpiece for about 10–15 minutes while an analyzer measures your oxygen use. Read more

Water only for at least 4 hours, no caffeine or stimulants, no exercise beforehand, and arrive relaxed. Read more

Plan on a 20-minute appointment; the measurement itself is about 10–15 minutes. Read more

It is the largest part of your daily calorie burn, so knowing it helps you set accurate calorie targets and troubleshoot plateaus. Read more

BMR is measured under strict lab conditions; RMR is measured at rest under practical conditions. They are usually very close. Read more

Only roughly. Formulas use population averages and can be off by hundreds of calories a day for an individual. Read more

Pricing, booking and location

$85 for a full-body DEXA scan, $100 for an RMR test, or $175 for both. No membership or report fee. Read more

Usually not—body composition scans are generally elective. Physician-ordered diagnostic bone density scans may be covered. Read more

We are not set up to accept HSA or FSA cards directly, but most clients can submit their receipt to their HSA or FSA provider for reimbursement. Check with your plan administrator. Read more

1776 S Jackson St, Suite 1111 (11th floor), Denver, CO 80210, near the University of Denver and Cherry Creek, with free parking. Read more

Monday–Friday, 7:00 a.m.–4:00 p.m., by appointment. About once a quarter we also open a weekend day for appointments—check the online scheduler for availability. Read more

Straightforward pricing, fast appointments, reports in about 5 minutes and objective data without a sales pitch. Read more

Ready to see what your weight is made of?

$85 DEXA · $100 RMR · $175 for both. Reports emailed in about 5 minutes.

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