ICD-10 F98.21
ICD-10 F98.21: Rumination disorder of infancy
Category
Other childhood disorders
Code Type
Mental health diagnosis
Using ICD-10 F98.21 on a Superbill
ICD-10 code F98.21 (Rumination disorder of infancy) is a other childhood disorders code used on superbills for mental health therapy billing. Insurance companies require at least one ICD-10 code per superbill to process a reimbursement claim.
CPT Codes Commonly Used With F98.21
Common CPT codes paired with ICD-10 F98.21 include 90837 (60-min psychotherapy), 90834 (45-min psychotherapy), and 90791 (initial psychiatric evaluation). The CPT code reflects the service rendered, not the diagnosis.