Notes
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
Use additional code
Code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Type 1 excludes
Supervision of normal pregnancy (Z34.-)
Type 2 excludes
Codes
O00-O08
Pregnancy with abortive outcome
O09-O09
Supervision of high risk pregnancy
O10-O16
Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
O20-O29
Other maternal disorders predominantly related to pregnancy
O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems
O60-O77
Complications of labor and delivery
O80-O82
Encounter for delivery
O85-O92
Complications predominantly related to the puerperium
O94-O9A
Other obstetric conditions, not elsewhere classified
Versions
2024
Code changed
Use additional code
code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
Code changed
Type 2 excludes
mental and behavioral disorders associated with the puerperium (F53)obstetrical tetanus (A34)postpartum necrosis of pituitary gland (E23.0)puerperal osteomalacia (M83.0)
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
2018
No changes
2017
Code changed
Use additional code
code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy
- code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
2016
New code