Erroneous Payment of CPT-4 Codes Billed with Pregnancy-Related ICD-10 Codes

The Department of Health Care Services (DHCS) has identified a claims processing issue that may cause claims billed with pregnancy-related ICD-10-CM codes A34, O00.0 – O9A.53, Z33.1 – Z36, or Z64.0 – Z64.1 to erroneously reimburse when billed with certain Ultrasound and Duplex scan CPT codes.