Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic
Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 17 carries a community non-dual aged RAF of 4.209, and 78 payable ICD-10-CM diagnosis codes map to it.
RAF factors
The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.
V28 hierarchy
Supersedes: HCC 18, HCC 19, HCC 20, HCC 21, HCC 22, HCC 23 (this category is counted instead of these when they co-occur).
ICD-10-CM codes that map to HCC 17 (78)
Payable diagnosis codes that map to this category under CMS-HCC V28 PY2026. Open any code for its full description, HCC mapping, and coding guidance.
- C77.1Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes
- C77.8Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions
- C78.00Secondary malignant neoplasm of unspecified lung
- C78.01Secondary malignant neoplasm of right lung
- C78.02Secondary malignant neoplasm of left lung
- C78.1Secondary malignant neoplasm of mediastinum
- C78.2Secondary malignant neoplasm of pleura
- C78.30Secondary malignant neoplasm of unspecified respiratory organ
- C78.39Secondary malignant neoplasm of other respiratory organs
- C78.4Secondary malignant neoplasm of small intestine
- C78.5Secondary malignant neoplasm of large intestine and rectum
- C78.6Secondary malignant neoplasm of retroperitoneum and peritoneum
- C78.7Secondary malignant neoplasm of liver and intrahepatic bile duct
- C78.80Secondary malignant neoplasm of unspecified digestive organ
- C78.89Secondary malignant neoplasm of other digestive organs
- C79.00Secondary malignant neoplasm of unspecified kidney and renal pelvis
- C79.01Secondary malignant neoplasm of right kidney and renal pelvis
- C79.02Secondary malignant neoplasm of left kidney and renal pelvis
- C79.31Secondary malignant neoplasm of brain
- C79.32Secondary malignant neoplasm of cerebral meninges
- C79.40Secondary malignant neoplasm of unspecified part of nervous system
- C79.49Secondary malignant neoplasm of other parts of nervous system
- C79.70Secondary malignant neoplasm of unspecified adrenal gland
- C79.71Secondary malignant neoplasm of right adrenal gland
- C79.72Secondary malignant neoplasm of left adrenal gland
- C7B.00Secondary carcinoid tumors, unspecified site
- C7B.01Secondary carcinoid tumors of distant lymph nodes
- C7B.02Secondary carcinoid tumors of liver
- C7B.03Secondary carcinoid tumors of bone
- C7B.04Secondary carcinoid tumors of peritoneum
- C7B.09Secondary carcinoid tumors of other sites
- C7B.1Secondary Merkel cell carcinoma
- C7B.8Other secondary neuroendocrine tumors
- C84.10Sezary disease, unspecified site
- C84.11Sezary disease, lymph nodes of head, face, and neck
- C84.12Sezary disease, intrathoracic lymph nodes
- C84.13Sezary disease, intra-abdominal lymph nodes
- C84.14Sezary disease, lymph nodes of axilla and upper limb
- C84.15Sezary disease, lymph nodes of inguinal region and lower limb
- C84.16Sezary disease, intrapelvic lymph nodes
- C84.17Sezary disease, spleen
- C84.18Sezary disease, lymph nodes of multiple sites
- C84.19Sezary disease, extranodal and solid organ sites
- C84.1ASezary disease, in remission
- C92.00Acute myeloblastic leukemia, not having achieved remission
- C92.01Acute myeloblastic leukemia, in remission
- C92.02Acute myeloblastic leukemia, in relapse
- C92.30Myeloid sarcoma, not having achieved remission
- C92.31Myeloid sarcoma, in remission
- C92.32Myeloid sarcoma, in relapse
- C92.50Acute myelomonocytic leukemia, not having achieved remission
- C92.51Acute myelomonocytic leukemia, in remission
- C92.52Acute myelomonocytic leukemia, in relapse
- C92.60Acute myeloid leukemia with 11q23-abnormality not having achieved remission
- C92.61Acute myeloid leukemia with 11q23-abnormality in remission
- C92.62Acute myeloid leukemia with 11q23-abnormality in relapse
- C92.A0Acute myeloid leukemia with multilineage dysplasia, not having achieved remission
- C92.A1Acute myeloid leukemia with multilineage dysplasia, in remission
- C92.A2Acute myeloid leukemia with multilineage dysplasia, in relapse
- C93.00Acute monoblastic/monocytic leukemia, not having achieved remission
- C93.01Acute monoblastic/monocytic leukemia, in remission
- C93.02Acute monoblastic/monocytic leukemia, in relapse
- C94.00Acute erythroid leukemia, not having achieved remission
- C94.01Acute erythroid leukemia, in remission
- C94.02Acute erythroid leukemia, in relapse
- C94.20Acute megakaryoblastic leukemia not having achieved remission
- C94.21Acute megakaryoblastic leukemia, in remission
- C94.22Acute megakaryoblastic leukemia, in relapse
- C94.40Acute panmyelosis with myelofibrosis not having achieved remission
- C94.41Acute panmyelosis with myelofibrosis, in remission
- C94.42Acute panmyelosis with myelofibrosis, in relapse
- D46.22Refractory anemia with excess of blasts 2
- E34.00Carcinoid syndrome, unspecified
- E34.01Carcinoid heart syndrome
- E34.09Other carcinoid syndrome
- I31.31Malignant pericardial effusion in diseases classified elsewhere
- J91.0Malignant pleural effusion
- R18.0Malignant ascites
Frequently asked questions
What is CMS-HCC V28 category 17?
HCC 17 is "Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic", a payment Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 78 payable ICD-10-CM codes map to it.
What is the RAF weight for HCC 17?
The community non-dual aged relative factor for CMS-HCC V28 category 17 is 4.209. The exact factor varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 Rate Announcement.
How many ICD-10-CM codes map to HCC 17?
78 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 17 (Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic) for payment year 2026.
Source: CMS published ICD-10-CM mapping file plus CMS-HCC v28 PY2026 model software.