Peripheral Blood Involv (Mycosis Fungoides)

Data Item Details

Parent Schema: Mycosis Fungoides
NAACCR Item: #3910
NAACCR XML ID: peripheralBloodInvolvement

Organization Field Mapping

Organization	Field Name	ID#	ID Name	Required

Organization	Field Name	ID#	ID Name	Required
KCR	Peripheral Blood Involvement	34103	PeripheralBloodInvol	yes
SEER	Peripheral Blood Involv	3910	peripheralBloodInvolvement	yes

Notes

Note 1 Physician statement

Physician statement of Peripheral Blood Involvement and clonality can be used to code this data item when no other information is available
If the physician does not provide a B rating but counts or percentages of neoplastic cells, flow cytometry test results, and/or clonality test results are performed, use the appropriate code for the amount of blood involvement with “clone unknown

Note 2 Categories for Peripheral Blood Involvement

Code	Description	B Map

Code	Description	B Map
0	Absence of significant blood involvement 5% or less of peripheral blood lymphocytes are atypical (Sezary) cells Clone unknown

Stated as B0 |VALUE:B0 |

1	Absence of significant blood involvement 5% or less of peripheral blood lymphocytes are atypical (Sezary) cells Clone negative

Stated as B0a |VALUE:B0a |

2	Absence of significant blood involvement: 5% or less of peripheral blood lymphocytes are atypical (Sezary) cells Clone positive

Stated as B0b |VALUE:B0b |

3	Low blood tumor burden More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2 Clone unknown

Stated as B1 |VALUE:B1 |

4	Low blood tumor burden More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2 Clone negative

Stated as B1a |VALUE:B1a |

5	Low blood tumor burden More than 5% of peripheral blood lymphocytes are atypical (Sezary) cells but does not meet the criteria of B2 Clone positive

Stated as B1b |VALUE:B1b |

6	High blood tumor burden Greater than or equal to 1000 Sezary cells per microliter (uL) Clone positive

Stated as B2 |VALUE:B2 |

7	Test ordered, results not in chart	VALUE:BX
9	Not documented in medical record Peripheral Blood Involvement not assessed or unknown if assessed	VALUE:BX
<BLANK>	Death Certificate Only, no value provided	VALUE:BX

For official definitions and additional context, refer to the NAACCR Data Dictionary.