Organization |
Field Name |
ID |
Required |
---|---|---|---|
KCR |
Serum Beta-2 Microglobulin Pretreatment Leve |
34119 |
yes |
SEER |
Serum Beta-2 Microglobulin Pretreatment Level |
3931 |
yes |
Note 1 Serum microglobulin is part of the Revised International Staging (RISS). Use the cut points listed in the table below regardless of the lab's reference range.
Note 2 Record this data item based on a blood test performed at diagnosis (pre-treatment). In the absence of the lab test, a physician's statement of the exact value can be used. Use the highest value available.
Note 3 If there is no mention of the serum beta-2 microglobulin, code 9.
Note 4 If Schema Discriminator 1 Plasma Cell Myeloma Terminology is coded to 1 or 9, code 5.
Code |
Description |
---|---|
0 |
β2-microglobulin < 3.5 mg/L |
1 |
β2-microglobulin ≥ 3.5 mg/L < 5.5 mg/L |
2 |
β2-microglobulin ≥ 5.5 mg/L |
5 |
Schema Discriminator 1: Plasma Cell Myeloma Terminology coded to 1 or 9 |
7 |
Test ordered, results not in chart |
9 |
Not documented in medical record |