Evaluation of elevated creatinine

Last reviewed: 4 Sep 2025
Last updated: 01 Oct 2025

Summary

Differentials

Common

  • Glomerulonephritis
  • Diabetic nephropathy
  • Systemic vasculitis
  • Drug-related creatinine increase
  • Contrast-induced acute kidney injury
  • Shock
  • Volume depletion
  • Hypertension
  • Chronic heart failure
  • Preeclampsia
  • Acute interstitial nephritis
  • Acute tubular necrosis
  • Cardiac surgery
  • Nephrectomy
  • Kidney transplant rejection
  • Biologic serum creatinine variation
Full details

Uncommon

  • Renal vein thrombosis
  • Radiation therapy
  • Endogenous nephrotoxins (myoglobin, uric acid, calciphylaxis)
  • Renal artery stenosis
  • Traumatic kidney infarction
  • Multiple cholesterol emboli syndrome
  • Obstructive uropathy
  • Creatine supplementation
  • Inherited kidney disease
  • Methodologic variations of measurement of creatinine
  • Assay-interfering substances
Full details

Contributors

Authors

Michiko Shimada, MD, PhD, FASN
Michiko Shimada

Professor of Medicine

Division of Nephrology

Hirosaki University

Hirosaki

Japan

Disclosures

MS declares that she has no competing interests.

A. Ahsan Ejaz, MD, FASN
A. Ahsan Ejaz

Professor of Medicine

Division of Nephrology

University of Maryland

VA Maryland Health Care System

Baltimore

MD

Disclosures

AAE declares that he has no competing interests.

Acknowledgements

Dr Michiko Shimada, Dr Bhagwan Dass, and Dr A. Ahsan Ejaz would like to gratefully acknowledge Dr Puneet Sood, a previous contributor to this topic.

Disclosures

PS declares that he has no competing interests.

Peer reviewers

Janson Leung, MD

Consultant Nephrologist

Royal Derby Hospital

Derby

UK

Disclosures

JL has been reimbursed by Abbott for attending several conferences. JL has also received a fee from Shire for attending an advisory board meeting.

Zvi Talor, MD, FACP

Professor of Medicine

Division of Nephrology, Hypertension and Transplantation

University of Florida

Gainesville

FL

Disclosures

ZT declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

American College of Radiology. ACR appropriateness criteria: renal failure. 2020 [internet publication].Full text

Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group. KDIGO clinical practice guideline for acute kidney injury. Kidney inter Suppl. 2012 March;2(1):1-138.Full text

Kidney Disease: Improving Global Outcomes (KDIGO) CKD Work Group. KDIGO 2024 clinical practice guideline for the evaluation and management of chronic kidney disease. Kidney Int. 2024 Apr;105(4S):S117-314.Full text

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.

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