03-07-2025 Mets at Diagnosis Other
Scenario 1:
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- CT Abd/Pelvis: 1.8 cm lesion in the pancreatic head, mesenteric nodularity bilaterally with moderate amount of abdominal and pelvic ascites, highly suspicious for peritoneal carcinomatosis
- FNA Pancreas +Adenocarcinoma
- Patient declined workup and treatment and elected hospice care.
Question: How would you code the field Mets at Diagnosis Other?
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- 1 Yes; distant metastases in known site(s) other than bone, brain, liver, lung, or distant lymph nodes Note: includes bone marrow involvement for lymphomas
- 2 Generalized metastases such as carcinomatosis
- 8 Not applicable
- 9 Unknown whether any other metastatic site or generalized metastases /Not documented in patient record
Answer: 2 Generalized metastases such as carcinomatosis
STORE does not provide examples or instructions for code 2; however, SEER Program Coding & Staging Manual does:
Scenario 2:
- Scans show: Lung: 4.1cm mass RUL with pleural effusion, no other signs of distant mets
- Pleural effusion+ metastatic adenocarcinoma c/w mets from lung primary
Question: How would you code the field Mets at Diagnosis Other?
- 1 Yes; distant metastases in known site(s) other than bone, brain, liver, lung, or distant lymph nodes Note: includes bone marrow involvement for lymphomas
- 2 Generalized metastases such as carcinomatosis
- 8 Not applicable
- 9 Unknown whether any other metastatic site or generalized metastases /Not documented in patient record
Answer: 1 Yes; distant metastases in known site(s) other than bone, brain, liver, lung, or distant lymph nodes Note: includes bone marrow involvement for lymphomas
