Interpret this
Reading File
Finding Sources
Finding Sources
Reading File
Finding Sources
Finding Sources
Here is a full interpretation of this Kidney Function Test (KFT), Serum report:
Summary: Mild-Moderate Kidney Impairment with Several Abnormalities
Abnormal Results (Flagged)
| Test | Result | Reference | Status |
|---|---|---|---|
| Creatinine | 1.55 mg/dL | 0.67 - 1.17 | ⬆ HIGH |
| Globulin | 4.06 g/dL | 2.0 - 3.5 | ⬆ HIGH |
| Total Protein | 8.32 g/dL | 6.40 - 8.30 | ⬆ Mildly high |
| Phosphorus | 4.54 mg/dL | 2.40 - 4.40 | ⬆ HIGH |
| Potassium | 3.34 mEq/L | 3.50 - 5.10 | ⬇ LOW |
Key Findings, One by One
1. Creatinine: 1.55 mg/dL (HIGH - lab flagged "Result Rechecked, Please Correlate Clinically")
Creatinine is a waste product filtered by the kidneys. A value of 1.55 (reference up to 1.17) indicates the kidneys are not filtering efficiently. The lab rechecked and confirmed the result, meaning this is not a lab error - it warrants clinical investigation.
2. eGFR: 60 mL/min/1.73m², GFR Category G2
The eGFR was calculated using the 2021 CKD-EPI equation. An eGFR of exactly 60 sits at the boundary between normal and impaired:
- G1 = >90 (normal)
- G2 = 60-89 (mildly decreased) - this patient is at the lower end of G2
- G3a = 45-59 (mild-to-moderate decrease)
Per the KDIGO guidelines cited on the report, eGFR category G1 or G2 alone does not fulfill criteria for CKD unless there is also evidence of kidney damage (e.g., proteinuria, abnormal urinalysis, structural abnormality). The creatinine elevation alongside this eGFR, however, deserves monitoring.
Per Harrison's Principles of Internal Medicine: "CKD is defined by urine albumin-to-creatinine ratio ≥30 mg/g or eGFR <60 mL/min/1.73 m²" - this patient is borderline and needs urinalysis/urine ACR testing.
3. Phosphorus: 4.54 mg/dL (HIGH)
Just above the upper limit of 4.40. Elevated phosphorus is one of the earliest metabolic complications seen when kidney function begins to decline. It's often missed at this stage but is clinically significant. Dietary phosphorus restriction (limit dairy, processed foods, dark colas) may be advised.
4. Potassium: 3.34 mEq/L (LOW - hypokalemia)
Below the normal range of 3.50. Low potassium can cause muscle weakness, cramps, fatigue, and in severe cases cardiac arrhythmias. Common causes include inadequate dietary intake, diuretic use, vomiting, or diarrhea. Supplementation and investigation of the cause is recommended.
5. Total Protein: 8.32 g/dL (Mildly HIGH)
Just slightly above the upper limit of 8.30. Marginally elevated; likely clinically insignificant on its own.
6. Globulin: 4.06 g/dL (HIGH, reference 2.0-3.5)
Elevated globulin with a low A:G ratio of 1.05 (normal 0.90-2.00, but this is toward the lower end) suggests an increase in immunoglobulins or inflammatory proteins. Possible causes include chronic infection, inflammatory disease, liver disease, or less commonly multiple myeloma. This should not be ignored - a protein electrophoresis (SPEP) may be warranted to characterize it further.
Normal Results
| Test | Result | Status |
|---|---|---|
| Urea (31.73 mg/dL) | Normal (17-43) | ✓ |
| BUN (14.82 mg/dL) | Normal (6-20) | ✓ |
| BUN/Creatinine Ratio (10) | Normal (8-20) | ✓ |
| Uric Acid (6.02 mg/dL) | Normal (3.5-7.2) | ✓ |
| Albumin (4.26 g/dL) | Normal (3.5-5.2) | ✓ |
| Calcium (9.90 mg/dL) | Normal (8.6-10.3) | ✓ |
| Sodium (138.49 mEq/L) | Normal (136-145) | ✓ |
| Chloride (105.57 mEq/L) | Normal (101-109) | ✓ |
What This Means Clinically
This person has mildly impaired kidney function (elevated creatinine, borderline eGFR of 60, mildly elevated phosphorus) and a separate finding of elevated globulin that needs further evaluation.
Recommended next steps to discuss with a doctor:
- Urine tests - urinalysis + urine albumin-to-creatinine ratio (urine ACR) to assess for protein in the urine and confirm or rule out CKD
- Repeat KFT in 3 months to check if creatinine is stable or worsening
- Investigate elevated globulin - serum protein electrophoresis (SPEP), ESR, and possibly hepatitis B/C serology
- Address low potassium - dietary sources (bananas, oranges, potatoes) and look for causes (diuretics, vomiting, etc.)
- Phosphorus management - dietary advice if confirmed on repeat testing
- Blood pressure and diabetes screening - the two most common causes of this pattern of early kidney impairment
Disclaimer: This is an educational interpretation. Please share these results with the treating physician who can correlate them with symptoms, medications, and clinical history before making any management decisions.
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