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olfactory nerve

Wikipedia Summary

The olfactory nerve, also known as the first cranial nerve, cranial nerve I, or simply CN I, is a cranial nerve that contains sensory nerve fibers relating to the sense of smell. The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system (olfaction). Derived from the embryonic nasal placode, the olfactory nerve is somewhat unusual among cranial nerves because it is capable of some regeneration if damaged...
Related Codes (14)
Code
Description
Billable
Details
C72.2Malignant neoplasm of olfactory nerve
C72.20Malignant neoplasm of unspecified olfactory nerve
C72.21Malignant neoplasm of right olfactory nerve
C72.22Malignant neoplasm of left olfactory nerve
S04.811AInjury of olfactory [1st ] nerve, right side, initial encounter
S04.819SInjury of olfactory [1st ] nerve, unspecified side, sequela
S04.81Injury of olfactory [1st ] nerve
S04.811Injury of olfactory [1st ] nerve, right side
S04.811SInjury of olfactory [1st ] nerve, right side, sequela
S04.812Injury of olfactory [1st ] nerve, left side

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