Is BUN 40 high, normal or dangerous? What does Blood urea nitrogen level 40 mean?

Your BUN level of 40 is a High BUN level.

High BUN levels may indicate underlying health problems. The normal range is typically between 6 mg/dL and 20 mg/dL. If your levels are outside this range, it's important to speak with a healthcare provider. Consulting a doctor is recommended to determine the cause and appropriate next steps.

Important - Scroll to the end of this article to see how our patients managed their high BUN levels

The normal BUN range for men is :6 - 20 mg/dL

**Ideal values of BUN depending on age (male) :**
Age	Ideal BUN value
<5 years	6.24
5-10 years	6.49
10-15 years	6.75
15-20 years	7.02
20-25 years	7.301
25-30 years	7.593
30-35 years	7.897
35-40 years	8.213
40-45 years	8.542
45-50 years	8.884
50-55 years	9.239
55-60 years	9.609
60-70 years	9.993
70-80 years	10.393
80-90 years	10.809
90-100 years	11.241
>100 years	11.691

*Ideal values are calculated based on our database of patient records

Get Advice via Email : Send us your blood test report, and our BUN experts will review it. You'll receive a detailed analysis and personalized treatment guidance via email within 12 hours. If you have additional blood test results besides BUN, please include those too—an accurate diagnosis often requires a full view of all abnormalities. Upload blood test report now

1,51,150

Total number of patients treated

Important - Read more questions about high BUN levels after this video message

A video message on the treatment of your high BUN level

If you want your blood test report to be interpreted by BUN specialist, you can upload your report. Our BUN expert will provide you with the most accurate interpretation of your blood test results and treatment within 12 hours.Upload blood test report now

Important - At the end of this article read how our patients treated their high BUN levels

Some examples of conditions that increase or decrease BUN levels include:

Kidney failure
Decreased blood flow to the kidneys
Congestive heart failure
Dehydration
Conditions that can block the flow of urine

Receive world-class medical opinion about your high BUN levels over email.Upload blood test report now

Important - At the end of this article read how our patients treated their high BUN levels

Also Read :How our patients treated their high bun?

You can learn techniques to reduce high BUN levels by reading this 100 page eBook. This book is written by a patient himself and reviewed by the doctors of Medchunk. Read eBook here.

Normal range of BUN found among women :6-20 mg/dL

**Ideal values of BUN depending on age (female) :**
Age	Ideal BUN value
<5 years	6.247
5-10 years	6.504
10-15 years	6.772
15-20 years	7.051
20-25 years	7.342
25-30 years	7.644
30-35 years	7.959
35-40 years	8.287
40-45 years	8.628
45-50 years	8.983
50-55 years	9.353
55-60 years	9.738
60-70 years	10.139
70-80 years	10.557
80-90 years	10.992
90-100 years	11.445
>100 years	11.917

Upload your blood test report

If you take a BUN blood test and the results are not in the normal range (6-20 mg/dL), your physician may recommend more tests to figure out the problem. You might also get this test if your physician thinks you have some other disease.

Important :How our patients treated their high bun?

This page was viewed the most from these cities in the last 30 days:

Lake Terrace/Lake Oaks, New Orleans
Jewish Heritage Trail in Białystok
Gevrolles
Kfar Monash
Kolu Khedi, Berasia (census code 482280)
Gardonne
Katri Daddi
Les Barils
Jainvillotte
Hadapsar
Jalesches
Les Bordes, Loiret
Grossa
Le Poiré-sur-Vie
Khanpur (Ludhiana West)
Lake Fork, Illinois
Hondeghem
Kyōgoku, Hokkaido
Indarwa
Garinda
Kansai region
Garrey
Le Moustoir
Iiyama, Nagano
Kurumala
Jirawala
Imreish
La Chapelle-Saint-Ouen
Japanese occupation of Hong Kong
La Celle-sous-Chantemerle
Labalme
Laino
Le Pin, Calvados
Kedavur
Le Trait
Karystia
Grosrouvres
Khairachatar
Gutian County
Intville-la-Guétard
Garindein
Kaduppassery
Le Brugeron
La Trinité, Savoie
Hailstorm Island
La Guiche
Krishnagiri, Kurnool district
Ichalkaranji
Harobelavadi
Kudappanakunnu
Lakhipur (Vidhan Sabha constituency)
Guindy
Kutchan, Hokkaido
Granges-les-Beaumont
Kutna, India
Jambles
Kothota
Jametz
Jetpur, Navagadh
Gipcy
Handwara
Kevadiya
Hire Benakal
Kuttippuram
Le Vert, Deux-Sèvres
L'Étrat
Koto, Tokyo
Isla Lagartija
Isches
Kappur
Karivedakam
Iriga
Jelsi
Khanna, Ludhiana
Lez-Fontaine
Issigeac
Keelakolathur
Jambegali
Georgetown, Ascension Island
Huílóng, Zhongjiang County
Kollur, Ranga Reddy
Lamar State College–Orange
Kasipet
Ijeri
Gopinathpur, West Bengal
Lanouée
Germs-sur-l'Oussouet
Imabari, Ehime
Les Adrets-de-l'Estérel
Kanasín Municipality
Khanpur (village)
La Pellerine, Maine-et-Loire
La Loggia
Garhi Mahan Singh
Hailakandi district
Kollam Cantonment
Landgraviate of Hesse
Hôpital-Camfrout
Keelulur
Kachiguda
Jalhalli
Jainpur, Sultanpur Lodhi
Gensac, Hautes-Pyrénées
Khajuraho Hanuman inscription
Lairière
Labeyrie, Pyrénées-Atlantiques
La Celle, Var
Laxmibai Nagar
Ghonshet
Gredisans
Kallamkunnu
Jejkov
Le Theil-Nolent
Lesches, Seine-et-Marne
Kentucky In Africa
Lakkebail
Khatti
La Chabanne
La Vèze
Hindisheim
Le Fayel
Les Gonds
Le Faouët, Morbihan
Iloilo
Kapurthala
Gay, Georgia
Konnur
Kent/Sussex Detoxification Center
Gréolières
Huaiyang, Hebei
Kagasht
Gonnetot
Lamonzie-Saint-Martin
Gavarret-sur-Aulouste
Kattaiyankadu
Lampedusa
Grand, Vosges
Jetterswiller
Gouy-sous-Bellonne
Hirapur (Vidhan Sabha constituency)
Inakadate, Aomori
Kondagaon
Korvikoppa
Kalathimadam
Lavardin, Loir-et-Cher
Goulet, Orne
Ketugram I (community development block)
La Rivière-Drugeon
Isolabona
Jonai Bazar

How the BUN Test Is Done :

When your doctor orders a BUN test, it involves a straightforward blood draw to measure your BUN levels. A pathologist or lab technician will take a small sample of blood from a vein using a needle. Your BUN test results are usually available within a few hours.

BUN treatment - Click to read 10 GOLDEN ARTICLES on Kidney health