ICD-10-CM > G00-G99 > G00-G09 > G06 G06 Intracranial and intraspinal abscess and granuloma Non-Billable/Non-Specific Use Additional code (B95-B97) to identify infectious agent. Codes G06.0Intracranial abscess and granulomaG06.1Intraspinal abscess and granulomaG06.2Extradural and subdural abscess, unspecified