ICD-10-CM Diagnosis Code O10.21

Any condition in I12 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium

pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

code from I12 to identify the type of hypertensive chronic kidney disease

supervision of normal pregnancy (Z34.-)

mental and behavioral disorders associated with the puerperium (F53.-)

obstetrical tetanus (A34)

postpartum necrosis of pituitary gland (E23.0)

puerperal osteomalacia (M83.0)

pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS

Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)

Trimesters are counted from the first day of the last menstrual period. They are defined as follows:

1st trimester- less than 14 weeks 0 days

2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days

3rd trimester- 28 weeks 0 days until delivery