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ICD-10-CM Codes
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C00-D49
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C76-C80
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C79-
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2023 ICD-10-CM Diagnosis Code C79.51
2023 ICD-10-CM Diagnosis Code C79.51
Secondary malignant neoplasm of bone
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- C79.51 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM C79.51 became effective on October 1, 2022.
- This is the American ICD-10-CM version of C79.51 - other international versions of ICD-10 C79.51 may differ.
The following code(s) above
C79.51 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
C79.51:
- C00-D49
2023 ICD-10-CM Range C00-D49
NeoplasmsNote- Functional activity
- All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
- Morphology [Histology]
- Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
- Primary malignant neoplasms overlapping site boundaries
- A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
- Malignant neoplasm of ectopic tissue
- Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
- C79
ICD-10-CM Diagnosis Code C79
Secondary malignant neoplasm of other and unspecified sites
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- secondary carcinoid tumors (C7B.-)
- secondary neuroendocrine tumors (C7B.-)
- C79.5
ICD-10-CM Diagnosis Code C79.5
Secondary malignant neoplasm of bone and bone marrow
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Type 1 Excludes- secondary carcinoid tumors of bone (C7B.03)
- Cancer metastatic to bone
- Cancer metastatic to bone, adenocarcinoma
- Cancer metastatic to bone, small cell
- Cancer metastatic to bone, squamous cell
- Cancer metastatic to bone, undifferentiated large cell
- Cancer metastatic to leg bones, adamantioma
- Cancer metastatic to vertebra
- Cancer of the thyroid, metastatic to bone
- Melanoma eye, metastatic to bone
- Melanoma, metastatic to bone
- Secondary adenocarcinoma of bone
- Secondary malignant melanoma of bone
- Secondary malignant melanoma of bone from eye
- Secondary malignant neoplasm of long bone of lower limb
- Secondary malignant neoplasm of vertebral column
- Secondary small cell carcinoma of bone
- Secondary squamous cell carcinoma of bone
- Secondary undifferentiated large cell malignant neoplasm of bone
- Thyroid cancer metastatic to bone
Clinical Information
- Cancer that has spread from the original (primary) tumor to the bone.
- The spread of a malignant neoplasm from a primary site to the skeletal system. The majority of metastatic neoplasms to the bone are carcinomas.
ICD-10-CM C79.51 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 456 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions with mcc
- 457 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions with cc
- 458 Spinal fusion except cervical with spinal curvature, malignancy, infection or extensive fusions without cc/mcc
- 542 Pathological fractures and musculoskeletal and connective tissue malignancy with mcc
- 543 Pathological fractures and musculoskeletal and connective tissue malignancy with cc
- 544 Pathological fractures and musculoskeletal and connective tissue malignancy without cc/mcc
Convert C79.51 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To C79.51
C79.11 Secondary malignant neoplasm of bladder
C79.19 Secondary malignant neoplasm of other urinary organs
C79.2 Secondary malignant neoplasm of skin
C79.3 Secondary malignant neoplasm of brain and cerebral meninges
C79.31 Secondary malignant neoplasm of brain
C79.32 Secondary malignant neoplasm of cerebral meninges
C79.4 Secondary malignant neoplasm of other and unspecified parts of nervous system
C79.40 Secondary malignant neoplasm of unspecified part of nervous system
C79.49 Secondary malignant neoplasm of other parts of nervous system
C79.5 Secondary malignant neoplasm of bone and bone marrow
C79.51
Secondary malignant neoplasm of bone
C79.52 Secondary malignant neoplasm of bone marrow
C79.6 Secondary malignant neoplasm of ovary
C79.60 Secondary malignant neoplasm of unspecified ovary
C79.61 Secondary malignant neoplasm of right ovary
C79.62 Secondary malignant neoplasm of left ovary
C79.63 Secondary malignant neoplasm of bilateral ovaries
C79.7 Secondary malignant neoplasm of adrenal gland
C79.70 Secondary malignant neoplasm of unspecified adrenal gland
C79.71 Secondary malignant neoplasm of right adrenal gland
C79.72 Secondary malignant neoplasm of left adrenal gland
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
