ICD 10 CM Codes

H70.90 Unspecified mastoiditis, unspecified ear
Billable Code  is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
GEMS
ICD-10-CM H70.90 converts approximately to:ICD-9-CM
2018 ICD-9-CM 383.9 Unspecified mastoiditis