O23.01 Infections of kidney in pregnancy, first trimester
Instructional Notes:
O23.01 Description: Infections of kidney in pregnancy, first trimester ↓
O23.0 Description: Infections of kidney in pregnancy Inclusion Term:
Pyelonephritis in pregnancy
↓
O23 Description: Infections of genitourinary tract in pregnancy Exclude2:
gonococcal infections complicating pregnancy, childbirth and the puerperium (O98.2)
infections with a predominantly sexual mode of transmission NOS complicating pregnancy, childbirth and the puerperium (O98.3)
syphilis complicating pregnancy, childbirth and the puerperium (O98.1)
tuberculosis of genitourinary system complicating pregnancy, childbirth and the puerperium (O98.0)
venereal disease NOS complicating pregnancy, childbirth and the puerperium (O98.3)
Use Additional Code:
code to identify organism (B95.-, B96.-)
↓
O20-O29 Description: Other maternal disorders predominantly related to pregnancy (O20-O29) Exclude2:
maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
↓
O00-O9A Description: Pregnancy, childbirth and the puerperium Exclude1:
supervision of normal pregnancy (Z34.-)
Exclude2:
mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)
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.