Metastasis Staging

SAS Name
METASTASIS

Metastasis staging.

Source: Oncology Care Model Data Registry

Comments

Practices were required to report clinical and staging data associated with each beneficiary’s assigned cancer. The Metastasis (M) category describes the presence of distant metastasis in sites and/or organs outside the local tumor area and regional nodes as defined by cancer site. 

Metastasis 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
Code Code value
M0
M1
M1a
M1a(0)
M1a(1)
M1b
M1b(0)
M1b(1)
M1c
M1c(0)
M1c(1)
M1d
M1d(0)
M1d(1)
cM0(i+)
pM1
pM1a
pM1b
pM1c
Null/missing n/a (not required for cancer type); or not reported by OCM participant (reference details in the RPTD_TO_RGSTRY codebook entry)