CS Lymph Nodes: Ovary

Note 1: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the field Mets at DX.

Note 2: If the clinician says "adnexa palpated" but doesn't mention lymph nodes, assume lymph nodes are not involved, code "00".

Note 3: If either exploratory/definitive surgery is done with no mention of lymph nodes, assume nodes are negative.

Note 4: Regional nodes includes bilateral and contralateral involvement of named nodes.

Code Description TNM SS77 SS2000
00 No regional lymph node involvement N0 NONE NONE
10 Regional lymph node(s):
  • Iliac, NOS:
    • Common
    • External
    • Internal (hypogastric), NOS
    • Obturator
  • Pelvic, NOS
 N1 RN RN
12 Regional lymph node(s):
  • Lateral sacral (laterosacral)
 N1 D RN
20 Regional lymph node(s):
  • Aortic (para-, peri-, lateral)
  • Retroperitoneal, NOS
 N1 RN RN
30 Regional lymph node(s):
  • Inguinal
 N1 D RN
40 (10) + (20) N1 RN RN
42 [(12) or (30)] + [(10) or (20)] N1 D RN
50 Regional lymph nodes, NOS N1 RN RN
80 Lymph nodes, NOS N1 RN RN
99
  • Unknown; not stated
  • Regional lymph node(s) cannot be assessed
  • Not documented in patient record
 NX U U
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