Chronic Kidney Disease and the DOT Physical

What CDL drivers need to know about kidney disease, CKD staging, dialysis disqualification, and certification requirements.

Kidney disease: If you have kidney disease bring documentation or a letter from your treating physician stating that cause is confirmed, and treatment has been shown to be adequate/effective, safe, and stable. Bring in your most recent labs that include serum creatinine and eGFR (a cystatin C lab result is also acceptable, but not required).

 

What to Bring to Your DOT Physical if You Have Kidney Disease

? Dialysis Is an Automatic Disqualifier

A CDL driver cannot operate a commercial motor vehicle (CMV) if they require dialysis for kidney failure. This applies to all forms of dialysis — hemodialysis and peritoneal dialysis. FMCSA strongly recommends that patients undergoing dialysis not be certified as physically qualified to operate commercial motor vehicles for the purposes of interstate commerce.

Kidney Disease vs. Chronic Kidney Disease (CKD)

Key CKD Statistics

Risk Factors for Chronic Kidney Disease

 

 

 

 

 

 

 

 

 

Morbidity and Mortality Risk

The 5 Stages of Chronic Kidney Disease

Staging is determined by blood tests measuring eGFR (estimated Glomerular Filtration Rate) and albuminuria (protein in urine).

Stage 1 — Normal / High Function
eGFR: 90 or higher — with evidence of kidney damage
Evidence of damage (e.g., protein in urine) must be present for 3+ months. eGFR alone in Stage 1 or 2 does not fulfill CKD criteria without evidence of damage.Stage 2 — Mild Reduction*
eGFR: 60–89 — with evidence of kidney damage
*Relative to young adult level. eGFR 60–89 without kidney damage is normal and does not qualify as CKD.Stage 3a — Mild to Moderate Reduction
eGFR: 45–59Stage 3b — Moderate to Severe Reduction
eGFR: 30–44Stage 4 — Severe Reduction
eGFR: 15–29
Significant reduction. High risk of sudden incapacitation. Additional testing required for CMV certification.Stage 5 — Kidney Failure
eGFR: Less than 15
Dialysis or transplant required. DISQUALIFIED from operating a CMV.

DOT Physical Exam Determinations for CKD Drivers

CKD Stages 1 and 2 — Certify / Recertify Every 2 Years2-Year Certificate

Why Dialysis Disqualifies a CDL Driver

Albuminuria Categories in CKD

Category ACR (mg/g) Description
A1 < 30 Normal to mildly increased
A2 30–300 Moderately increased*
A3 > 300 Severely increased** (including nephrotic syndrome: ACR > 2220 mg/g)

ACR = albumin-to-creatinine ratio. *Relative to young adult level. **Including nephrotic syndrome.

Cystatin C — The Most Accurate Marker to Detect CKD

Cystatin C is a highly accurate blood marker for assessing kidney function. It is particularly useful when creatinine tests are unreliable due to low muscle mass, obesity, or specific diseases. It is a protein produced by all nucleated cells, filtered by the kidneys at a constant rate — high levels indicate reduced kidney function.

Kidney Failure / End-Stage Kidney Disease (ESKD)

Kidney failure — also called End-Stage Renal Disease (ESRD) or Kidney Failure with Replacement Therapy (KFRT) — means one or both kidneys have completely shut down. This is an irreversible, life-threatening condition.

Identifying the Cause of CKD

The cause of CKD is classified based on the presence or absence of systemic disease and the location of pathologic findings on kidney biopsy or imaging. Determining the cause distinguishes whether the patient has a systemic condition or a localized kidney condition — which directly affects management.

Cause Category Systemic Diseases Affecting the Kidney Primary Kidney Diseases (no systemic disease)
Glomerular diseases Diabetes, systemic autoimmune diseases, systemic infections, drugs, neoplasia (including amyloidosis) Diffuse, focal or crescentic proliferative glomerulonephritis; focal and segmental glomerulosclerosis; membranous nephropathy; minimal change disease
Tubulointerstitial diseases Systemic infections, autoimmune, sarcoidosis, drugs, urate, environmental toxins (lead), neoplasia (myeloma) Urinary tract infections, stones, obstruction
Vascular diseases Atherosclerosis, hypertension, ischemia, cholesterol emboli, systemic vasculitis, thrombotic microangiopathy, systemic sclerosis ANCA-associated renal limited vasculitis; fibromuscular dysplasia
Cystic & congenital diseases Polycystic kidney disease, Alport’s syndrome, Fabry’s disease Renal dysplasia, medullary cystic disease, podocytopathies

Note: Genetic diseases are not listed separately as many diseases in each category now have recognized genetic determinants.

How Is Kidney Disease Treated?

Early detection is critical — CKD can be slowed or stopped when caught early. Two simple tests can check for CKD:

Early treatment includes:

Once kidneys fail, there are two treatment options:

Option 1: Dialysis — ? Automatic DOT Disqualifier

Dialysis removes waste and excess fluid from the blood. It comes in two forms:

Dialysis of any kind is an automatic disqualification from the DOT Physical. A CDL driver cannot operate a CMV if they require dialysis for kidney failure.

Option 2: Kidney Transplantation

A kidney transplant uses a healthy kidney from a living or deceased donor. Studies show transplant recipients live longer than those who remain on dialysis.

CDL Certification After Kidney Transplant:

Chronic Kidney Disease Diet

The Modification of Diet in Renal Disease (MDRD) is a critical management strategy to slow CKD progression by controlling what you eat and drink.

The DASH Diet

The DASH diet (Dietary Approaches to Stop Hypertension) is a healthy-eating plan designed to treat or prevent high blood pressure — one of the top CKD risk factors.

Learn more about the DASH Diet at the National Kidney Foundation ?

Dietary needs vary significantly based on CKD stage and whether the patient is on dialysis. A renal dietitian is essential for a personalized meal plan.

Essential Lifestyle Changes for Managing CKD

Which CDL Drivers Should Be Screened for CKD?

Many drivers are unaware they have CKD. Research shows:

CDL drivers who should be screened (eGFR from serum creatinine):

Ideally, all CDL drivers should have a serum creatinine test and calculated eGFR. At minimum, all drivers with any of the above risk factors should be tested.

? Final Reminder: Dialysis Is an Automatic Disqualifier

A CDL driver cannot operate a commercial motor vehicle (CMV) if they require dialysis for kidney failure. FMCSA strongly recommends that patients undergoing dialysis not be certified as physically qualified to operate commercial motor vehicles for interstate commerce. There is strong evidence of risk for sudden driver incapacitation.

About This Page

This page is for informational purposes only. FMCSA and DOT regulations and guidelines are constantly being updated. Please go to www.fmcsa.dot.gov for the most current and complete information.