Organization

Field Name

ID

Required

KCR

Grade Post Therapy Clin (yc)

30141

yes 

SEER

Grade Post Therapy Clin (yc)

1068

yes 

Note 1 Leave Grade Post Therapy Clin (yc) blank when

  • No neoadjuvant therapy
  • Clinical or pathological case only
  • Neoadjuvant therapy completed, no microscopic exam is done prior to surgery/resection of primary tumor
  • There is only one grade available and it cannot be determined if it is clinical, pathological, post therapy clinical or post therapy pathological

Note 2 Grade is applicable for the follicular lymphomas only (9690/3, 9691/3, 9695/3, 9698/3). For all other lymphoma histologies, code 9.

Note 3 Assign the highest grade from the microscopically sampled specimen of the primary site following neoadjuvant therapy or primary systemic/radiation therapy.

Note 4 If there are multiple tumors with different grades abstracted as one primary, code the highest grade.

Note 5 Follicular lymphoma grade is based on the absolute number of centroblasts per high-power (40 x objective, 0.159 square mm) microscopic field (HPF).

Note 6 Code 9 (unknown) when

  • Microscopic exam is done after neoadjuvant therapy and grade from the primary site is not documented
  • Microscopic exam is done after neoadjuvant therapy and there is no residual cancer
  • Grade checked “not applicable” on CAP Protocol (if available) and no other grade information is available

Code

Description

1

G1: 0-5 centroblasts per 10 HPF

2

G2: 6-15 centroblasts per 10 HPF

3

G3: More than 15 centroblasts per 10 HPF but with admixed centrocytes

4

G4: More than 15 centroblasts per 10 HPF but without centrocytes

9

Grade cannot be assessed (GX); Unknown
Not a follicular histology (9690/3, 9691/3, 9695/3, 9698/3)

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See Note 1