Atypical facial pain

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Atypical facial pain

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from G50 Disorders of trigeminal nerve

Includes

disorders of 5th cranial nerve

Inherited from the G50-G59 section Nerve, nerve root and plexus disorders (G50-G59)

Excludes1 - never coded here

current traumatic nerve, nerve root and plexus disorders - see Injury, nerve by body region
neuralgia NOS (M79.2)
neuritis NOS (M79.2)
peripheral neuritis in pregnancy (O26.82-)
radiculitis NOS (M54.1-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Pain
Disorder > tic
Habit, habituation > tic
Habit, habituation > spasm
Syndrome > complex regional pain
Spasm, spastic, spasticity > habit
Spasm, spastic, spasticity > compulsive
Tic > douloureux > atypical
Pain > face, facial > atypical

Codes in the same group

Code	Description	Status
G50.0	Trigeminal neuralgia	Valid
G50.8	Other disorders of trigeminal nerve	Valid
G50.9	Disorder of trigeminal nerve, unspecified	Valid