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C72.22

Billable

Malignant neoplasm of left olfactory nerve

HCC Category Mapping

V28HCC 20Lung and Other Severe Cancers
0.000
V24HCC 10Lymphoma and Other Cancers
0.675
ESRDHCC 10Lymphoma and Other Cancers
0.000
RxHCCHCC 22Cancer, Other Specified Sites
0.000

What This Code Means

A malignant (cancerous) tumor of the left olfactory nerve, which is the nerve responsible for the sense of smell on the left side.

Coding Tips

  • This code specifies the left side; use C72.21 for right side and verify laterality in documentation
  • Olfactory nerve tumors are rare; confirm diagnosis and ensure proper documentation of nerve origin

Clinical Significance

Malignant neoplasm of the left olfactory nerve is the laterality-specific counterpart for left-sided olfactory nerve cancers. Like all olfactory nerve malignancies, these are rare tumors that require multidisciplinary management. Accurate laterality coding supports treatment planning and epidemiological tracking of this uncommon malignancy.

Documentation Requirements

  • Pathology report with histological confirmation of malignancy
  • Clear documentation of left-sided olfactory nerve involvement
  • Imaging confirming laterality and extent of disease
  • Treatment status and current management plan
  • Documentation of any associated symptoms (anosmia, nasal obstruction)

Commonly Confused Codes

Code Hierarchy

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