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postherpetic neuralgia

Wikipedia Summary

Postherpetic neuralgia (PHN) is neuropathic pain that occurs due to damage to a peripheral nerve caused by the reactivation of the varicella zoster virus (herpes zoster, also known as shingles). PHN is defined as pain in a dermatomal distribution that lasts for at least 90 days after an outbreak of herpes zoster...
Related Codes (3)
Code
Description
Billable
Details
B02.22Postherpetic trigeminal neuralgia
B02.23Postherpetic polyneuropathy
B02.29Other postherpetic nervous system involvement

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