Nodal Disease Staging

SAS Name
NODAL_DISEASE

Nodal disease staging. 

Comments

Practices were required to report clinical and staging data associated with each beneficiary’s assigned cancer. Nodal Disease (N) category describes the regional lymph node involvement as defined for each cancer site. It may include the absence or presence of cancer in regional nodes and/or the number of positive nodes, size, or involvement.

Nodal disease reporting was required for breast cancer, female GU other than ovarian cancer, gastro-esophageal cancer, kidney cancer, malignant melanoma, ovarian cancer, pancreatic cancer, and prostate cancer, and for the following cancer types for specific diagnosis codes:

  • Anal cancer – all diagnoses (except for C21.2 under the AJCC 8th edition)
  • Bladder cancer – C65.1, C65.2, C65.9, C66.1, C66.2, C66.9, C67.0, C67.1, C67.2, C67.3, C67.4, C67.5, C67.6, C67.7, C67.8, C67.9, and C68.0
  • Endocrine tumors – C73, C74.00, C74.01, C74.02, C74.10, C74.11, C74.12, C74.90, C74.91, C74.92, C7A.010, C7A.011, C7A.012, C7A.020, C7A.021, C7A.022, C7A.023, C7A.024, C7A.025, C7A.026, C7A.029, C7A.090, C7A.091 (AJCC 8th edition only), C7A.092, C7A.1, and C7A.8
  • Head and neck cancer – AJCC 8th edition: all diagnoses EXCEPT C30.1, C33, C69.10, C69.11, C69.12, C69.80, C69.81, C69.82, C69.90, C69.91, and C69.92. AJCC 7th edition: all diagnoses EXCEPT C14.0, C14.2, C14.8, C30.1, C31.8, C31.9, C32.3, C33, C69.10, C69.11, C69.12, C69.90, C69.91, C69.92, and C76.0
  • Liver cancer – C22.0, C22.1, C22.2, C22.3, C22.4, C22.7, C22.8, C22.9, C23, C24.0, and C24.1
  • Lung cancer – C34.00, C34.01, C34.02, C34.10, C34.11, C34.12, C34.2, C34.30, C34.31, C34.32, C34.80, C34.81, C34.82, C34.90, C34.91, C34.92, C45.0, C45.7, and C45.9
  • Lymphoma – AJCC 8th edition only: C84.00, C84.01, C84.02, C84.03, C84.04, C84.05, C84.06, C84.07, C84.08, C84.09, C84.10, C84.11, C84.12, C84.13, C84.14, C84.15, C84.16, C84.17, C84.18, C84.19, C84.A0, C84.A1, C84.A2, C84.A3, C84.A4, C84.A5, C84.A6, C84.A7, C84.A8, C84.A9, C86.3, and C86.6
  • Small intestine/colorectal cancer – C17.0, C17.1, C17.2, C17.8, C17.9, C18.0, C18.1, C18.2, C18.3, C18.4, C18.5, C18.6, C18.7, C18.8, C18.9, C19, and C20

SOURCE: Oncology Care Model Data Registry

Code Code value
None Selected None Selected
N0 N0
N0(i+) N0(i+)
N0a N0a
N0b N0b
N1 N1
N1a N1a
N1b N1b
N1c N1c
N1mi N1mi
N2 N2
N2a N2a
N2b N2b
N2c N2c
N2mi N2mi
N3 N3
N3a N3a
N3b N3b
N3c N3c
NX NX
pN0 pN0
pN0(i+) pN0(i+)
pN0(i-) pN0(i-)
pN0(mol+) pN0(mol+)
pN0(mol-) pN0(mol-)
pN1 pN1
pN1a pN1a
pN1b pN1b
pN1c pN1c
pN1mi pN1mi
pN2 pN2
pN2a pN2a
pN2b pN2b
pN2c pN2c
pN3 pN3
pN3a pN3a
pN3b pN3b
pN3c pN3c
pNX pNX
Null/missing n/a (not required for cancer type); or not reported by OCM participant (reference details in the RPTD_TO_RGSTRY codebook entry)