Library/Kidney/BUN/25

BUN of 25 mg/dLWhat it means, and what usually happens next

25mg/dL BUN
Slightly high
6212641

A BUN of 25 mg/dL is a little above the usual 7 to 20 mg/dL.

Ask AI about this pageChatGPTClaudePerplexity
BUN25mg/dL
In mmol/L urea8.9
The usual rangeabout 7 to 20 mg/dL (some labs 6 to 24)

What usually happens next

Not drinking enough and a high-protein diet are the common reasons, and BUN creeps up with age.

If creatinine and eGFR are normal, a repeat when well hydrated usually reads lower.

What a high BUN usually means, and its common causes

When a BUN can read wrong

BUN rises with dehydration, a big protein intake, steroids and bleeding in the gut, none of which mean the kidneys are failing. Creatinine and eGFR are the better kidney measures.

Read it with

Nearby results

Have the rest of your results?Have your results? Read them free.Drop in your lab report and see every marker explained in plain words, placed on the body, against your lab's range. It's read on your device: nothing is uploaded and nothing is kept.Read my results

Questions

Is a BUN of 25 mg/dL normal?

A BUN of 25 mg/dL is a little above the usual 7 to 20 mg/dL. The usual range is about 7 to 20 mg/dL (some labs 6 to 24).

What is 25 mg/dL in mmol/L urea?

8.9 mmol/L urea. Labs in different countries print BUN in different units; the meaning is the same.

Worked out by LifeFrom from the usual lab range (Clinical Methods), and not yet reviewed by a clinician. For your own understanding: only a lab test, read by your clinician, diagnoses anything.