Convert to ICD-10-CM: 
659.53 converts approximately to:
- 2015/16 ICD-10-CM O09.511 Supervision of elderly primigravida, first trimesterOr: 
- 2015/16 ICD-10-CM O09.512 Supervision of elderly primigravida, second trimesterOr: 
- 2015/16 ICD-10-CM O09.513 Supervision of elderly primigravida, third trimester