Icd 10 for postherpetic trigeminal neuralgia July 8, 2019 16 32 64 128 Icd 10 code for postherpetic trigeminal neuralgia Postherpetic neuralgia icd 9 Herpetic neuralgia icd 10 Icd 10 post herpetic neuralgia Postherpetic neuralgia icd 10 code