29 March 2025
: Case report 
High Creatine Kinase Levels in Viral Myositis: A Case of Rhabdomyolysis-Induced Renal Failure
Unusual clinical course, Challenging differential diagnosis, Management of emergency care
Sujatha Baddam
ABCDEFG 1*, Mrudula Thiriveedi E 2, Heather Haley F 3
DOI: 10.12659/AJCR.946551
Am J Case Rep 2025; 26:e946551
Table 2. Urinalysis showing myoglobinuria.
| Description | Result | Normal range | Units |
|---|---|---|---|
| Urine color | Brown | – | – |
| Urine clarity | Cloudy | – | – |
| Urine glucose | 50 A | (Norm) | mg/dL |
| Urine bilirubin | Negative | (Neg) | mg/dL |
| Urine ketones | Negative | (Neg) | mg/dL |
| Urine spec gravity | 1.02 | (1.001–1.035) | – |
| Urine blood | Large A | (Neg) | – |
| Urine PH | 5 | (5.0–9.0) | – |
| UR total protein | Large A | (Neg) | – |
| Urine urobilinogen | 1 | (0.1–1.0) | mg/dL |
| Urine nitrites | Positive A | (Neg) | – |
| Urine leukocytes | Small A | (Neg) | – |
| Urine epithelial cells | 1+ A | (Norm) | /HPF |
| Urine WBC’S | 5 | (0–7)/HPF | /HPF |
| Urine RBC’S | 4 | (0–6)/LPF | /LPF |
| Hyaline casts | 0 | (0–3)/LPF | /LPF |
| Urine bacteria | Trace A | (Nones) | – |
| Other observations | Small | – | – |