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CPT® Modifier 5N
Deleted

Official Description

PMP-22 (Charcot-Marie-Tooth disease, type 1A)

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Short Descr	PMP-22 (Charcot-Marie-Tooth disease, type 1A)
Medium Descr	PMP-22 (Charcot-Marie-Tooth disease, type 1A)

Modifiers

-/+ Deleted, Replaced, Expanded Codes

0A-9Z Genetic Testing Code Modifiers

5A-5Z Neurologic, Non-Neoplastic

5A ASPA, commonly called Aspartoacylase A (Canavan disease)

5B FMR-1 (fragile X, FRAXA, syndrome)

5C FRDA, commonly called Frataxin (Freidreich ataxia)

5D HD, commonly called Huntington (HuntingtonÃ¢â‚¬â„¢s disease)

5E GABRA5, NIPA1, UBE3A, or ANCR GABRA (Prader Willi-Angelman syndrome)

5F GJB2, commonly called Connexin-26 (hereditary hearing loss) Connexin-32 (GJB2) (hereditary deafnes

5G GJB1, commonly called Connexin-32 (X-linked Charcot-Marie-Tooth disease)

5H SNRPN (Prader Willi-Angelman syndrome)

5I SCA1, commonly called Ataxin-1 (spinocerebellar ataxia, type 1)

5J SCA2, commonly called Ataxin-2 (spinocerebellar ataxia, type 2)

5K MJD, commonly called Ataxin-3 (spinocerebellar ataxia, type 3, Machado-Joseph disease)

5L CACNA1A (spinocerebellar ataxia, type 6)

5M ATXN7 Ataxin-7 (spinocerebellar ataxia, type 7)

5N PMP-22 (Charcot-Marie-Tooth disease, type 1A)

5O MECP2 (Rett syndrome)

5Z Neurologic, non-neoplastic, not otherwise specified

Date	Action	Notes
2013-01-01	Deleted	Removed from the CPT codebook.

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