Wiki Epilepsy, unspecified, intractable, without status epilepticus

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Code: G40.919
Epilepsy, unspecified, intractable, without status epilepticus
Parent Code Notes: G40
Excludes1: conversion disorder with seizures (F44.5)
convulsions NOS (R56.9)
post traumatic seizures (R56.1)
seizure (convulsive) NOS (R56.9)
seizure of newborn (P90)
Excludes2: hippocampal sclerosis (G93.81)
mesial temporal sclerosis (G93.81)
temporal sclerosis (G93.81)
Todd's paralysis (G83.84)

Category Notes
Episodic and paroxysmal disorders (G40-G47)

Coding Guidelines
Diseases of the nervous system (G00-G99)
Excludes 2: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Monument, CO
Best answers
Good morning!

G40.919 was listed as the primary dx for one of my provider's encounters, and for some reason it is coming back as an invalid dx. The only thing I can see that might be off is that in the ICD-10 manual it has the "complication or comorbidity" symbol next to it; there is no indication otherwise that it must be secondary to another dx. Is my EMR freaking out, or am I missing something here?

Thank you!