1-16-2026
Scenario:
- 1-16-2026, patient presents to your facility for treatment. The patient was diagnosed at an outside facility. The abstractor does not have access to those notes, however, the treating physician at your facility states the patient is here for treatment for a RISS Stage 1 Plasma Cell Myeloma diagnosed 1-5-2026 after a full staging work up at the outside facility.
Question: How would you assign the SSDI Serum Beta-2 Microglobulin Pretreatment Level?
- 0 β2-microglobulin < 3.5 mg/LSingle
- 7 Test ordered, results not in chart
- 9 Not documented in medical record
Answer: 0 β2-microglobulin < 3.5 mg/LSingle
SSDI Manual v3.3
Note 3: Component of R-ISS Stage
Serum Beta-2 Microglobulin is part of the Revised International Staging (R-ISS).
Elevated serum microglobulin is defined as ≥ 5.5 mg/L
Use the cut points listed in the table below regardless of the lab’s reference range.
Code 0 if physician states RISS Stage 1 and there is no other information
Code 2 if physician states RISS Stage 3 and there is no other information
REVIEW SSDI Change Log 3.3 https://apps.naaccr.org/ssdi/list/?_gl=1*1k9sirh*_ga*MTQ2NzY5OTExLjE3NTE1NDYzNTU.*_ga_V7J8GWYK5P*czE3Njg1ODk5OTIkbzEwMyRnMSR0MTc2ODU5NDI3MyRqNjAkbDAkaDA.
