ABIM Nephrology Board Certification Practice Test

140 questions available

Build your confidence for ABIM Nephrology Board Certification. Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.

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Certification exam
240 Exam questions
10 hours Time Limit
Your practice
140 Practice questions
2 hours 20 minutes Practice Time
Try 5 free questions
No account needed. A free account includes 20 questions for this exam.
The bank 140 Practice questions checked against the official objectives.
American Board of Internal Medicine140 practice questions

Exam overview and details

The American Board of Internal Medicine (ABIM) Nephrology Board Certification is the definitive credential signifying a physician's expertise in the diagnosis, management, and prevention of kidney diseases and disorders. Achieving this certification validates a candidate's mastery of a comprehensive body of knowledge, including acute and chronic kidney injury, glomerular diseases, hypertension, electrolyte and acid-base disorders, dialysis, and kidney transplantation. It is a rigorous, peer-developed assessment that goes beyond initial fellowship training, demonstrating a commitment to lifelong learning and the highest standards of patient care. Board Certification in Nephrology is not merely an examination; it is a public commitment to professionalism, continuous improvement, and specialized competence. It distinguishes the diplomate as a leader in the field, equipped to handle complex renal pathologies and contribute to advancements in nephrology practice. This credential is a critical milestone for physicians seeking to establish or advance their careers in academic medicine, hospital-based practice, or specialized clinical care.

Sample Questions

Choose an answer and explore the explanation to see how practice works.

Acute Kidney Injury and Intensive Care Unit Nephrology

A CRRT patient using regional citrate anticoagulation develops rising total calcium to ionized calcium ratio, metabolic acidosis, and increasing vasopressors with liver failure. What complication is likely?

Glomerular and Vascular Disorders

A man with obesity and long-standing reflux nephropathy has subnephrotic proteinuria progressing to nephrotic range. Biopsy shows perihilar segmental sclerosis. What is the likely pathophysiology?

Chronic Kidney Disease

A patient with CKD G3aA1 and no diabetes asks how CKD risk is staged. eGFR is 52 and UACR is 12 mg/g on repeat testing. What best describes classification?

Acid-Base and Potassium Disorders

A patient with panic symptoms has pH 7.55, PCO2 24 mm Hg, bicarbonate 20 mEq/L, and paresthesias. Which interpretation is correct?

Sodium and Water Abnormalities

A 34-year-old woman is polyuric after pituitary surgery. Na is 154 mEq/L, urine osmolality is 95 mOsm/kg, and urine output is 450 mL/hour. After desmopressin, urine osmolality rises to 620 mOsm/kg. What is the most likely diagnosis?

Career Opportunities & Salary

Median salary: $256,560– General Internal Medicine Physicians

Source: BLS Occupational Employment and Wage Statistics, May 2025 -- General Internal Medicine Physicians (SOC 29-1216), US national. Occupation median, not a certification salary. (2025)

General Internal Medicine Physicians

Exam insights and study advice

Achieving ABIM Nephrology Board Certification is a pivotal differentiator for career advancement and professional credibility. It is the industry-standard benchmark recognized by healthcare institutions, academic centers, and peers as the hallmark of subspecialty excellence. Certification is often a prerequisite for hospital privileges, academic appointments, and leadership roles within nephrology departments. It signals to patients, colleagues, and employers a dedication to validated expertise and adherence to the evolving standards of care. In a competitive healthcare landscape, this certification substantiates your qualifications, enhances professional reputation, and opens doors to opportunities in clinical leadership, research, and specialized practice that are typically reserved for board-certified specialists.

What this exam covers

Use the published domain weights to plan your study. Practice results do not predict your certification exam score.

01Chronic Kidney Disease

22%

02Acute Kidney Injury and Intensive Care Unit Nephrology

15%

03Glomerular and Vascular Disorders

12%

04Kidney Transplantation

11%

05Hypertension

10%

06Acid-Base and Potassium Disorders

9%

07Sodium and Water Abnormalities

8%

08Pharmacology

5%

09Calcium, Phosphorus, and Magnesium Disorders and Stones

4%

10Tubular, Interstitial, and Cystic Disorders

4%

Exam Details ABIM-NEPH | 10 hours

Exam Code ABIM-NEPH
Vendor American Board of Internal Medicine
Time Limit 10 hours
Exam questions 240

Frequently Asked Questions

What are the eligibility requirements to sit for the ABIM Nephrology Certification Exam?

How is the exam structured and what is the format?

How often must I maintain my certification, and what does Maintenance of Certification (MOC) entail?

What is the official blueprint for the exam, and where can I find it?

What is the pass rate for the Nephrology Certification Exam?