Data Last Updated: Aug. 24, 2021

Chromosome 3 Status

Notes

**Note 1:** Physician statement of chromosome 3 status can be used to code this data item when no other information is available. **Note 2:** Monosomy 3, especially if combined with a frequently coexisting gain in chromosome 8q, is independently associated with metastatic risk. Chromosome 3 and 8 statuses may be determined with karyotyping or fluorescent in situ hybridization (FISH). **Note 3:** See also Chromosome 8q Status (NAACCR Data Item #3822)
Code Description
0 No loss of chromosome 3
1 Partial loss of chromosome 3
2 Complete loss of chromosome 3
3 Loss of chromosome 3, NOS
7 Test ordered, results not in chart
8 Not applicable: Information not collected for this case
(If this information is required by your standard setter, use of code 8 may result in an edit error.)
9 Not documented in medical record
Chromosome 3 status not assessed or unknown if assessed