Table 1 Initial laboratory findings
Parameter | Value | Reference range |
|---|---|---|
(Urine) | ||
 pH | 5.5 | 5.0–6.5 |
 red blood cell (/HPF) | 20–29 | < 5 |
 fatty casts (/WF) | 5–9 | negative |
 waxy casts (/WF) | 5–9 | negative |
 Urine protein/creatinine ratio (g/g) | 0.61 | < 0.15 |
 M protein | positive | negative |
(Blood) | ||
 Leukocyte count (/μL) | 7400 | 4500–9000 |
 Hemoglobin (g/dL) | 12.3 | 13.6–17.0 |
 Platelet count (× 104/μL) | 16.3 | 14–36 |
 Urea nitrogen (mg/dL) | 24.5 | 8.0–22.0 |
 Creatinine (mg/dL) | 1.65 | 0.60–1.10 |
 Uric acid (mg/dL) | 8.6 | 3.6–7.0 |
 Total protein (g/dL) | 5.9 | 6.7–8.3 |
 Albumin (g/dL) | 3.7 | 4.0–5.0 |
 Lactate dehydrogenase (IU/L) | 223 | 119–229 |
 Sodium (mEq/L) | 140 | 138–146 |
 Potassium (mEq/L) | 5.3 | 3.6–4.9 |
 Chloride (mEq/L) | 108 | 99–109 |
 Corrected serum calcium (mg/dL) | 8.8 | 8.6–10.4 |
 Phosphate (mg/dL) | 3.5 | 2.5–4.7 |
 C-reactive protein (mg/dL) | 0.07 | < 0.30 |
 CH50 (CH50/mL) | 12.6 | 25–48 |
 C3 (mg/dL) | 43 | 65–135 |
 C4 (mg/dL) | 6 | 13–35 |
 IgG (mg/dL) | 889 | 870–1700 |
 IgA (mg/dL) | 271 | 110–410 |
 IgM (mg/dL) | 39 | 33–190 |
 IgE (IU/mL) | 9.0 | < 269 |
 light chain type κ(mg/L) | 51.0 | 2.42–18.92 |
  type λ(mg/L) | 517.0 | 4.44–26.18 |
 Cryoglobulin | negative | negative |
 Anti Factor H antibody (AU/mL) | 111.1 | <  8.0 |
 sC5b-9 levels (μg/mL) | 0.32 | 0.32–0.72a |