What Is a GFR Blood Test?
GFR measures how well your kidneys filter waste from blood.
Stages
- 90+: normal
- 60–89: mild decrease
- 30–59: moderate
- 15–29: severe
- Below 15: kidney failure
Causes of Low GFR
- Diabetes
- Hypertension
- Glomerulonephritis
- NSAIDs
Important
- Must persist 3+ months for CKD diagnosis
- Calculated from creatinine, age, sex
Source: NLM MedlinePlus, American Association for Clinical Chemistry.
Ratings summarize government-reported measures — they don't capture your personal needs. Visit the facility, ask about staffing and services, and use CMS checklists. This profile is informational only and is not a recommendation.
Compare lab testing options near you ↗ (affiliate link)