A urinalysis is a urine test—not a blood draw—that can check for blood in the urine along with protein, glucose, ketones, infection markers, and microscopic cells. Learn what results can mean, how to prepare, and when follow-up testing is important.
An eGFR blood test estimates how well your kidneys filter blood. Learn what the result means, how to prepare, when follow-up urine testing matters, and how to compare costs.
A creatinine blood test helps assess kidney filtration. Learn what it measures, how to prepare, what high or low results may mean, and what to ask next.
An albumin blood test measures the main protein made by your liver and carried in your bloodstream. Learn what low or high albumin can mean, how to prepare, what results usually look like, and how to compare self-pay costs.
The GGT blood test measures a liver and bile duct enzyme called gamma-glutamyl transferase. Learn why it is ordered, how to prepare, what high GGT can mean, and what to ask next.
An ALT blood test measures alanine aminotransferase, a liver-associated enzyme that can rise when liver cells are irritated or injured. Learn what ALT results mean, how to prepare, what can affect results, and what to discuss with your clinician.
A calcium blood test measures the amount of calcium circulating in your blood. Learn why it is ordered, how to prepare, what high or low results can mean, and what follow-up tests may be used.
A selenium blood test measures selenium status to help evaluate deficiency, excess intake, or exposure. Learn when it is ordered, how to prepare, what results can mean, and how to compare self-pay costs.
A vitamin B12 blood test helps evaluate B12 deficiency, anemia, and neurologic symptoms. Learn how to prepare, what low or borderline results mean, and when MMA testing is useful.
An FSH blood test measures follicle-stimulating hormone, a pituitary hormone involved in ovulation, ovarian function, sperm production, puberty, and menopause-related hormone changes. Learn how testing works and how to interpret results in context.
