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Framework that allows defining file formats (layouts) and use them to read and write data files.
Item #
Length
Source of Standard
Year Implemented
Version Implemented
Year Retired
Version Retired
Column #
3931
1
NAACCR
2018
18
1918 - 1918
NAACCR XML: Tumor.serumBeta2MicroglobulinPretreatmentLevel
Description
Serum Beta-2 Microglobulin is a protein that is found on the surface of many cells and plentiful on the surface of white blood cells. Increased production or destruction of these cells causes Serum β2 (beta-2) Microglobulin level to increase. Elevated Serum β2 (beta-2) Microglobulin level is a prognostic factor for plasma cell myeloma.
Rationale
Serum Beta-2 Microglobulin Pretreatment Level is a prognostic factor required in AJCC 8th edition, Chapter 82
Plasma Cell Myeloma and Plasma Cell Disorders, for staging of plasma cell myeloma. It is a new data item for cases diagnosed 1/1/2018+.
Codes
0
ß2-microglobulin <3.5 mg/L
1
ß2-microglobulin =3.5 mg/L <5.5 mg/L
2
ß2-microglobulin =5.5 mg/L
7
Test ordered, results not in chart
9
Not documented in medical record
Serum Beta-2 Microglobulin Pretreatment Level not assessed or unknown if assessed
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.