Complete ICD-10-CM coding and documentation guide for icd-10 coding for cancer of unknown primary includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Cancer of Unknown Primary
Use ICD-10 code C80.0 for disseminated malignant neoplasm, unspecified, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Encounter for antineoplastic chemotherapy
Use when patient is receiving chemotherapy for CUP.
The ICD-10 code for cancer of unknown primary is C80.0 when the primary site is confirmed unknown after a comprehensive workup.
C80.1 is used when the primary malignancy site is unspecified and no metastasis is documented.