What causes Creatinine 4.0 mg/dL?

End-stage kidney disease Acute kidney injury requiring urgent care

What should I do if my Creatinine is 4.0?

Urgent nephrology care Vascular access planning if not already done Discuss dialysis modality and transplant evaluation

What causes Creatinine 4.0?

End-stage kidney disease Acute kidney injury requiring urgent care

What should I do about Creatinine 4.0?

Urgent nephrology care Vascular access planning if not already done Discuss dialysis modality and transplant evaluation

Creatinine — Kidney failure range

Creatinine 4.0 mg/dL: What It Means

Classification: Kidney failure range

Creatinine 4.0 mg/dL is kidney failure territory (eGFR roughly 12-15) — dialysis or transplant is usually required soon, if not already started.

What can cause this?

End-stage kidney disease
Acute kidney injury requiring urgent care

Your next steps

1Urgent nephrology care
2Vascular access planning if not already done
3Discuss dialysis modality and transplant evaluation

About the Creatinine test

Creatinine is a waste product produced by muscle breakdown and filtered by the kidneys. It is the most common blood test for kidney function — a rising creatinine usually means falling filtration.

A standard blood test (part of the basic metabolic panel). No fasting required, but heavy exercise, creatine supplements, and a large meat meal the day before can raise it.

Reference: Reference ranges per major laboratories (Labcorp/Quest adult ranges); interpretation per KDIGO CKD guideline • Normal range: 0.7-1.3 mg/dL (adult; varies with muscle mass)

Use the Creatinine tool

Calculate and interpret your value properly

Other Creatinine Values

0.9 mg/dL 1.1 mg/dL 1.2 mg/dL 1.3 mg/dL 1.4 mg/dL 1.5 mg/dL 1.8 mg/dL 2.0 mg/dL 2.5 mg/dL 3.0 mg/dL

This page is educational and not a diagnosis — interpret with your healthcare provider.

Creatinine 4.0: Quick Answers

Kidney Function & eGFR

eGFR calculator (CKD-EPI 2021)eGFR decline & time-to-failure estimator Creatinine 1.3 — is it normal?eGFR 45 — what it means What is eGFR?Can kidney disease be reversed?

Dialysis Explained

CRRT vs dialysis vs SLED AEIOU dialysis indications Dialysis ICD-10 codes Dialyzer membranes explained Dialysis at home guide Dialysis bags (PD supplies)Dialysis at sea (cruising)

Keep learning about Creatinine

Tool: eGFR Calculator (CKD-EPI 2021)Lab: Creatinine 0.9 Lab: Creatinine 1.1 Lab: Creatinine 1.2 Topic: Acute Kidney Injury (AKI): The Kidney Emergency Explained Topic: AKI Recovery: What Happens After Acute Kidney Injury

Creatinine — Kidney failure range

Creatinine 4.0 mg/dL: What It Means

Classification: Kidney failure range

Creatinine 4.0 mg/dL is kidney failure territory (eGFR roughly 12-15) — dialysis or transplant is usually required soon, if not already started.

What can cause this?

End-stage kidney disease
Acute kidney injury requiring urgent care

Your next steps

1Urgent nephrology care
2Vascular access planning if not already done
3Discuss dialysis modality and transplant evaluation

About the Creatinine test

Creatinine is a waste product produced by muscle breakdown and filtered by the kidneys. It is the most common blood test for kidney function — a rising creatinine usually means falling filtration.

A standard blood test (part of the basic metabolic panel). No fasting required, but heavy exercise, creatine supplements, and a large meat meal the day before can raise it.

Reference: Reference ranges per major laboratories (Labcorp/Quest adult ranges); interpretation per KDIGO CKD guideline • Normal range: 0.7-1.3 mg/dL (adult; varies with muscle mass)

Use the Creatinine tool

Calculate and interpret your value properly

Other Creatinine Values

0.9 mg/dL 1.1 mg/dL 1.2 mg/dL 1.3 mg/dL 1.4 mg/dL 1.5 mg/dL 1.8 mg/dL 2.0 mg/dL 2.5 mg/dL 3.0 mg/dL

This page is educational and not a diagnosis — interpret with your healthcare provider.

Creatinine 4.0: Quick Answers

Kidney Function & eGFR

eGFR calculator (CKD-EPI 2021)eGFR decline & time-to-failure estimator Creatinine 1.3 — is it normal?eGFR 45 — what it means What is eGFR?Can kidney disease be reversed?

Dialysis Explained

CRRT vs dialysis vs SLED AEIOU dialysis indications Dialysis ICD-10 codes Dialyzer membranes explained Dialysis at home guide Dialysis bags (PD supplies)Dialysis at sea (cruising)

Creatinine 4.0 mg/dL: What It Means

What can cause this?

Your next steps

About the Creatinine test

Other Creatinine Values

Creatinine 4.0: Quick Answers

Kidney Function & eGFR

Dialysis Explained

Keep learning about Creatinine

Educational information only

Sources and methodology

Creatinine 4.0 mg/dL: What It Means

What can cause this?

Your next steps

About the Creatinine test

Other Creatinine Values

Creatinine 4.0: Quick Answers

Kidney Function & eGFR

Dialysis Explained

Keep learning about Creatinine

Educational information only

Sources and methodology

Creatinine 4.0 mg/dL: What It Means

What can cause this?

Your next steps

About the Creatinine test

Other Creatinine Values

Creatinine 4.0: Quick Answers

Is Creatinine 4.0 mg/dL normal?

What causes Creatinine 4.0?

What should I do about Creatinine 4.0?

Kidney Function & eGFR

Dialysis Explained

Keep learning about Creatinine

Educational information only

Sources and methodology

Creatinine 4.0 mg/dL: What It Means

What can cause this?

Your next steps

About the Creatinine test

Other Creatinine Values

Creatinine 4.0: Quick Answers

Is Creatinine 4.0 mg/dL normal?

What causes Creatinine 4.0?

What should I do about Creatinine 4.0?

Kidney Function & eGFR

Dialysis Explained

Keep learning about Creatinine

Educational information only

Sources and methodology