Complete ICD-10-CM coding and documentation guide for icd-10 coding for carcinomatosis includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Carcinomatosis
Use ICD-10 code C78.6 for secondary malignant neoplasm of retroperitoneum and peritoneum, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Encounter for antineoplastic chemotherapy
Use when the encounter is primarily for chemotherapy treatment.
The ICD-10 code for peritoneal carcinomatosis is C78.6, which indicates a secondary malignant neoplasm of the peritoneum.
For carcinomatosis with an unknown primary site, use C78.6 for the secondary neoplasm and C80.1 for the unspecified primary neoplasm.