Surgery of Primary Site/Date Therapy Initiated--Head & Neck: Would a biopsy, NOS, that removed the majority of the tumor be used to code these fields? See Description.
Patient underwent biopsy, NOS, of a carcinoma of the tongue. Subsequent glossectomy revealed microscopic focus of residual squamous cell carcinoma.
If the biopsy NOS removed all macroscopic disease, code the date of the biopsy NOS as the date therapy initiated. If macroscopic disease remained following the biopsy NOS, code the glossectomy date as the date therapy initiated.
Heme & Lymphoid Neoplasms: How is cancer status to be coded when a patient diagnosed with MDS, undergoes treatment, but the MDS subsequently transforms to AML?
If the bone marrow no longer shows evidence of MDS, the cancer status for the MDS is disease-free. When cancer status is coded as disease-free (NED), it means that currently there is no clinical evidence of this disease (MDS).
Multiplicity Counter/Ambiguous terminology: How should these fields be coded for cases with an unknown date of diagnosis?
If the date of diagnosis is unknown, it is likely that you have little information for this case. Both multiplicity counter and ambiguous terminology fields would probably be coded as unknown. However, if information on the number of tumors and the diagnostic confirmation are available, code these fields as specified in the manual.
Surgery of Primary Site--Melanoma: Which surgery codes should be used for cases that have a 1 cm margin? See Discussion.
For a melanoma case the surgery codes in the 30's are to be used when margins are stated to be less than 1 cm. The codes in the 40's are to be used for cases where the margins are greater than 1 cm.
If the margin is exactly 1 cm, assign a surgery code from the 20-36 range. Use a code in the 40's only when the margin is greater than 1 cm.
Multiplicity Counter-Breast: The general instructions say to ignore separate microscopic foci when determining when to use the single tumor or multiple tumor modules. Do these instructions apply if sizes are given for the foci? See Discussion.
For instance, would a 1.2 cm breast tumor with 3 scattered microscopic foci ranging from 2-4 mm be treated as multiple tumors (4), or as a single tumor?
If the microscopic foci are measured and listed as part of the diagnosis, they should be counted as multiple tumors.
Multiplicity Counter/CS Tumor Size: The Multiplicity Counter rule 6c states "Use code 99 when the tumor is described as diffuse". Is code 99 used in all circumstances when tumor size is coded to 998? See Discussion.
The CS manual lists esophagus, stomach, familila/familial polyposis (colon), lung, and breast as the only circumstances when code 998 is valid. If this is correct, then if TS is coded to 998, then Multiplicity Counter must be 99.
If the number of tumors is known, code the number in Multiplicity Counter. If the number of tumors is not known, assign code 99. If "diffuse" is the only information available to describe the tumor, assign code 99.
Reportability: When a biopsy is suspicious for cancer and re-biopsy is negative, is reportability based on the clinician's judgement (cancer vs NED)?
If the re-biopsy was done because the first biopsy was inconclusive, do not report this case. If the re-biopsy was more complete, or performed in an attempt to gain a wider margin, this case is reportable based on the first biopsy.
Primary Site/Sarcoma--Breast: Is the primary site coded to C504 [upper-outer quadrant of breast] or C493 [ Connective, subcutaneous and other soft tissue of thorax ] for a tumor described as a "high grade soft tissue sarcoma present in the upper outer quadrant of breast"?
If the sarcoma is primary in the breast, code the primary site to C504 [upper-outer quadrant of breast]. C500 - C509 includes soft tissue of breast.
Place of Birth: When there is conflicting information, which record takes precedence in coding this field, the medical record or the death certificate?
If there is a discrepancy, use the information from the medical record to code the Place of Birth field. The information from the medical record is provided by the patient, the information on the death certificate is provided by others. If the medical record does not contain birth information, use the information from the death certificate.
Behavior Code--Bladder/Lymphoma: Should the "in situ" designation on a bladder primary's pathology report be ignored that states a diagnosis of "in situ lymphoma"?
Ignore the in situ designation. You cannot assign an in situ behavior code to a lymphoma primary. The term or designation of "in situ" is limited to solid tumors; carcinoma and/or cancer.
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