Is Cystatin c 0.43 low, normal or dangerous? What does Cystatin c level 0.43 mean?

📅 Medical Review Date: March 21, 2026

Your Cystatin c level of 0.43 is a Low Cystatin c level.

Low Cystatin c levels may indicate underlying health problems. The normal range is typically between 0.62 mg/L and 1.03 mg/L. 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.

The normal Cystatin c range for men is :0.62 - 1.03 mg/L

Ideal values of Cystatin c depending on age (male) :

Age	Ideal Cystatin c value
<5 years	0.623
5-10 years	0.626
10-15 years	0.629
15-20 years	0.632
20-25 years	0.635
25-30 years	0.638
30-35 years	0.641
35-40 years	0.644
40-45 years	0.647
45-50 years	0.65
50-55 years	0.653
55-60 years	0.656
60-70 years	0.659
70-80 years	0.662
80-90 years	0.665
90-100 years	0.668
>100 years	0.671

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

Get Advice via Email : Send us your blood test report, and our Cystatin c 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 Cystatin c, 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

A video message on the treatment of your low Cystatin c level

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

Some examples of conditions that increase or decrease Cystatin c levels include:

• Impaired kidney function
• Diabetes
• Obstructive sleep apnea
• Metabolic syndrome
• Heart disease

Receive world-class medical opinion about your low Cystatin c levels over email.Upload blood test report now

Normal range of Cystatin c found among women :0.62-1.03 mg/L

Ideal values of Cystatin c depending on age (female) :

Age	Ideal Cystatin c value
<5 years	0.623
5-10 years	0.626
10-15 years	0.629
15-20 years	0.632
20-25 years	0.635
25-30 years	0.638
30-35 years	0.641
35-40 years	0.644
40-45 years	0.647
45-50 years	0.65
50-55 years	0.653
55-60 years	0.656
60-70 years	0.659
70-80 years	0.662
80-90 years	0.665
90-100 years	0.668
>100 years	0.671

If you take a Cystatin c blood test and the results are not in the normal range (0.62-1.03 mg/L), 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.

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

• Gatteo
• Gémages
• Hagnoundrou
• Kollappally
• Kamatchipuram
• Lédat
• Itteville
• Kodavatikallu
• Hatha, Ukhrul
• Kōya, Wakayama
• K R Puram ward
• Kring Islands
• Isdes, Loiret
• Karera
• Kachivani Singaram
• Gatewadi
• Hobday Island
• Girukala
• Kovaipudur
• Kara Koyunlu
• Kavadikaranoor
• Kovilur, Thanjavur
• Inverno e Monteleone
• Karagaon
• Kaithal
• Kallamala
• KwaNdebele
• Kavuru
• Jessami
• Junnar taluka
• Jinchang
• Jukal, India
• Kurunthancode
• Les Thons
• Gonneville-sur-Scie
• Jatinga
• Guignemicourt
• Gontamar
• Golfo Aranci
• Iturbide, Nuevo León
• Hura, Purulia
• Gokak (Rural)
• Kamalapuram, Khammam
• Howrah Sadar subdivision
• Kingdom of Zimbabwe
• Habsburg-occupied Serbia (1788–92)
• Haidrabad Dona
• Kupreanof Island
• Kokkarayanpet
• Katunguru, Uganda
• Kegva
• Le Robert
• Kirad al-Baqqara
• Les Forges, Morbihan
• Lavincourt
• Jablines
• Le Bouscat
• Lalkuan
• Groléjac
• Jugial
• Green Island Hills (Columbus, Georgia)
• Kalayanpura
• Hastsal
• Kingdom of Abkhazia
• La Granadella
• Lantic
• Khardiha
• Joigny
• Le Theil-en-Auge
• Hersfeld Abbey
• La Mure-Argens
• Kolasib
• Giddarbaha
• Kingdom of Orungu
• Inoli
• Kagarol
• Islampur, Karnataka
• Khiria
• Gaujac, Gard
• Killikkurussimangalam
• Givat Yoav
• Lamoura
• Kurihal (K.H.)
• Katpar
• Guiler-sur-Goyen
• Lakkaram
• Hazipur, Sultanpur Lodhi
• Kant Alsisar
• Karimpur (Vidhan Sabha constituency)
• Gudem Kotha Veedhi
• La Roche-Derrien
• Kushiro, Hokkaido (town)
• Gauville-la-Campagne
• Garegnano
• Grézet-Cavagnan
• George Town, Chennai
• Laville-aux-Bois
• Gannet Islands Ecological Reserve
• Lehal Kalan
• La Bollène-Vésubie
• Ganeshgarh
• Larzac, Dordogne
• Lalganj, Uttar Pradesh
• Jeanménil
• Gaudreville-la-Rivière
• Jōyō, Kyoto
• Gimouille
• KotriSain
• Hosadurga
• Laoshan District
• Lavazan
• La Ferté-Alais
• Königsegg-Aulendorf
• Haripad
• Gangapur, Varanasi
• La Croix-Helléan
• Kafr Bir'im
• Karsud
• Khuja Khedi
• Gothra Bhukaran
• Hariharganj
• Kohar Khurd
• Lansing–East Lansing metropolitan area
• Kullukkadu
• Lavenay
• Jasney
• Gumla block
• Lagraulière
• Grandfontaine, Doubs
• Governorate of the Banda Islands
• Haram, Norway
• Gangyao Subdistrict
• Kharkhoda
• Kolhan
• Kashti, Nashik
• Kegaon
• Hamada, Shimane
• La Saussaye
• Kamalpur, Assam
• Hyehwa-dong
• Igé, Saône-et-Loire
• Gandhali
• Kala Bakra
• Karajagi
• Krupki Raion
• Havat Skali
• Geulei Teiman
• Grignoncourt
• Kothara, Kutch
• Kapashanria

How the Cystatin c Test Is Done :

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

Medical References

• Cleveland Clinic – Estimated Glomerular Filtration Rate (eGFR): Test & Levels
• MedlinePlus – Glomerular Filtration Rate (GFR) Test
• NIH – Serum cystatin C as a marker of renal function in detection of early acute kidney injury
• NIH – Incorporation of Cystatin C Testing in Clinical Practice: Real World Experience in Sweden