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Pregnancy, childbirth and the puerperium (O00-O9A)

Note:: 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, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes 1:: supervision of normal pregnancy (Z34.-)
Excludes 2:: mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Other maternal disorders predominantly related to pregnancy (O20-O29)

Excludes 2:: 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)

O20

Hemorrhage in early pregnancy [+]

Includes:	hemorrhage before completion of 20 weeks gestation
Excludes 1:	pregnancy with abortive outcome (O00-O08)

O21

Excessive vomiting in pregnancy [+]

O22

Venous complications and hemorrhoids in pregnancy [+]

Excludes 1:	venous complications of: abortion NOS (O03.9) ectopic or molar pregnancy (O08.7) failed attempted abortion (O07.35) induced abortion (O04.85) spontaneous abortion (O03.89)
Excludes 2:	obstetric pulmonary embolism (O88.-) venous complications and hemorrhoids of childbirth and the puerperium (O87.-)

O22.0

Varicose veins of lower extremity in pregnancy [+]
Varicose veins NOS in pregnancy

O22.1

Genital varices in pregnancy [+]
Perineal varices in pregnancy
Vaginal varices in pregnancy
Vulval varices in pregnancy

O22.2

Superficial thrombophlebitis in pregnancy [+]
Phlebitis in pregnancy NOS
Thrombophlebitis of legs in pregnancy
Thrombosis in pregnancy NOS

Use additional

code to identify the superficial thrombophlebitis (I80.0-)

O22.3

Deep phlebothrombosis in pregnancy [+]
Deep vein thrombosis, antepartum

Use additional	code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)
Use additional	code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

O22.4

Hemorrhoids in pregnancy [+]

O22.5

Cerebral venous thrombosis in pregnancy [+]
Cerebrovenous sinus thrombosis in pregnancy

O22.8

Other venous complications in pregnancy [+]

O22.9

Venous complication in pregnancy, unspecified [+]
Gestational phlebitis NOS
Gestational phlebopathy NOS
Gestational thrombosis NOS

O23

Infections of genitourinary tract in pregnancy [+]

Use additional

code to identify organism (B95.-, B96.-)

Excludes 2:

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)

O23.0

Infections of kidney in pregnancy [+]
Pyelonephritis in pregnancy

O23.1

Infections of bladder in pregnancy [+]

O23.2

Infections of urethra in pregnancy [+]

O23.3

Infections of other parts of urinary tract in pregnancy [+]

O23.4

Unspecified infection of urinary tract in pregnancy [+]

O23.5

Infections of the genital tract in pregnancy [+]

O23.51

Infection of cervix in pregnancy [+]

O23.52

Salpingo-oophoritis in pregnancy [+]
Oophoritis in pregnancy
Salpingitis in pregnancy

O23.59

Infection of other part of genital tract in pregnancy [+]

O23.9

Unspecified genitourinary tract infection in pregnancy [+]
Genitourinary tract infection in pregnancy NOS

O24

Diabetes mellitus in pregnancy, childbirth, and the puerperium [+]

O24.0

Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium [+]
Juvenile onset diabetes mellitus, in pregnancy, childbirth and the puerperium
Ketosis-prone diabetes mellitus in pregnancy, childbirth and the puerperium

Use additional

code from category E10 to further identify any manifestations

O24.1

Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium [+]
Insulin-resistant diabetes mellitus in pregnancy, childbirth and the puerperium

Use additional	code (for):
Use additional	from category E11 to further identify any manifestations
Use additional	long-term (current) use of insulin (Z79.4)

O24.3

Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium [+]

Use additional	code (for):
Use additional	from category E11 to further identify any manifestation
Use additional	long-term (current) use of insulin (Z79.4)

O24.4

Gestational diabetes mellitus [+]
Diabetes mellitus arising in pregnancy
Gestational diabetes mellitus NOS

O24.41

Gestational diabetes mellitus in pregnancy [+]

O24.42

Gestational diabetes mellitus in childbirth [+]

O24.43

Gestational diabetes mellitus in the puerperium [+]

O24.8

Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium [+]

Use additional	code (for):
Use additional	from categories E08, E09 and E13 to further identify any manifestation
Use additional	long-term (current) use of insulin (Z79.4)

O24.9

Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium [+]

Use additional

code for long-term (current) use of insulin (Z79.4)

O25

Malnutrition in pregnancy, childbirth and the puerperium [+]

O26

Maternal care for other conditions predominantly related to pregnancy [+]

O26.0

Excessive weight gain in pregnancy [+]

Excludes 2:

gestational edema (O12.0, O12.2)

O26.1

Low weight gain in pregnancy [+]

O26.2

Pregnancy care for patient with recurrent pregnancy loss [+]

O26.3

Retained intrauterine contraceptive device in pregnancy [+]

O26.4

Herpes gestationis [+]

O26.5

Maternal hypotension syndrome [+]
Supine hypotensive syndrome

O26.6

Liver and biliary tract disorders in pregnancy, childbirth and the puerperium [+]

Use additional	code to identify the specific disorder
Excludes 2:	hepatorenal syndrome following labor and delivery (O90.41)

O26.7

Subluxation of symphysis (pubis) in pregnancy, childbirth and the puerperium [+]

Excludes 1:

traumatic separation of symphysis (pubis) during childbirth (O71.6)

O26.8

Other specified pregnancy related conditions [+]

O26.9

Pregnancy related conditions, unspecified [+]

O28

Abnormal findings on antenatal screening of mother [+]

Excludes 1:

diagnostic findings classified elsewhere - see Alphabetical Index

O29

Complications of anesthesia during pregnancy [+]

Includes:	maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during pregnancy
Use additional	code, if necessary, to identify the complication
Excludes 2:	complications of anesthesia during labor and delivery (O74.-) complications of anesthesia during the puerperium (O89.-)

O29.0

Pulmonary complications of anesthesia during pregnancy [+]

O29.01

Aspiration pneumonitis due to anesthesia during pregnancy [+]
Inhalation of stomach contents or secretions NOS due to anesthesia during pregnancy
Mendelson's syndrome due to anesthesia during pregnancy

O29.02

Pressure collapse of lung due to anesthesia during pregnancy [+]

O29.09

Other pulmonary complications of anesthesia during pregnancy [+]

O29.1

Cardiac complications of anesthesia during pregnancy [+]

O29.11

Cardiac arrest due to anesthesia during pregnancy [+]

O29.12

Cardiac failure due to anesthesia during pregnancy [+]

O29.19

Other cardiac complications of anesthesia during pregnancy [+]

O29.2

Central nervous system complications of anesthesia during pregnancy [+]

O29.21

Cerebral anoxia due to anesthesia during pregnancy [+]

O29.29

Other central nervous system complications of anesthesia during pregnancy [+]

O29.3

Toxic reaction to local anesthesia during pregnancy [+]

O29.4

Spinal and epidural anesthesia induced headache during pregnancy [+]

O29.5

Other complications of spinal and epidural anesthesia during pregnancy [+]

O29.6

Failed or difficult intubation for anesthesia during pregnancy [+]

O29.8

Other complications of anesthesia during pregnancy [+]

O29.9

Unspecified complication of anesthesia during pregnancy [+]