Multiplicity Counter--Head & Neck: How is this field coded when a patient has carcinoma in the same location as a previous primary but it is unknown if there was a disease-free interval? See Discussion.
Systemic/Surgery Sequence--Breast: How is this field coded for a breast cancer patient treated with a lumpectomy followed by chemotherapy and then a mastectomy?
Surgery of Primary Site--Brain and CNS: How is this field to be coded when a patient undergoes stereotactic biopsy of a brain tumor? Path specimen consists of four fragments of tissue measuring .7, .6 and .3 cm.
Surgery of Primary Site--Brain and CNS: How should this field be coded when the procedure is stated to be a "stereotactic CORE biopsy" of a brain tumor? See Discussion.
Surgery of Primary Site - - Esophagus/Stomach/Colon: Is an endoscopic mucosal resection (EMR) for an esophagus, stomach or colon malignancy coded to 20 [local tumor excision, NOS] or to a more specific code such as 22 [local tumor excision combined with electrocautery]?
First course treatment--Leukemia: How should an allogeneic stem cell transplant for acute myeloid leukemia be coded in the Hematologic Transplant and Endocrine Procedures field? See Discussion.
Surgery of Primary Site--Brain and CNS: Is "debulking" of a primary brain tumor coded to 21 [subtotal resection of tumor] or 30 [gross resection of tumor]?
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