Case Report
Copyright ©The Author(s) 2024.
World J Clin Cases. Jun 16, 2024; 12(17): 3200-3205
Published online Jun 16, 2024. doi: 10.12998/wjcc.v12.i17.3200
Table 2 Hematologic work-up for monoclonal gammopathy

Serum assays performed at outside hospital
Reference range and units (in our institution)
Immunofixation, serumSingle spike-IgG lambda Negative
Monoclonal protein 1 (mg/dL)900≤ 0.0
Monoclonal protein 2 (mg/dL)Absent≤ 0.0
Serum kappa free light chains (mg/L)37.73.9-26.0
Serum lambda free light chains (mg/L)366.36.4-22.1
Serum kappa:lambda ratio0.100.51-1.72