Instruction Source: O99.111
Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, first trimester
Instruction Source: O99.11
Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy
Instruction Source: O99.1
Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating pregnancy, childbirth and the puerperium
Excludes 1 (Mutually Exclusive)
- hemorrhage with coagulation defects (O45.-, O46.0-, O67.0, O72.3)
Instruction Source: O99
Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Excludes 2 (Not Included Here)
- when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
Inclusion Terms
- conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
Instruction Source: O94-O9A
Other obstetric conditions, not elsewhere classified (O94-O9A)
Instruction Source: O00-O9A
Pregnancy, childbirth and the puerperium
Excludes 1 (Mutually Exclusive)
- supervision of normal pregnancy (Z34.-)
Excludes 2 (Not Included Here)
- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Clinical Notes
- 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
- 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: