O36.0

Maternal care for rhesus isoimmunization

Requires 7th character

O36.0 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Maternal care for Rh incompatibility (with hydrops fetalis)

Includes (from O36)

  • the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
  • Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Note: 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)
  • Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • Note: 1st trimester- less than 14 weeks 0 days
  • Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • Note: 3rd trimester- 28 weeks 0 days until delivery

Excludes1

Not coded here — never report together with this code.

  • supervision of normal pregnancy (Z34.-) (from O36)
  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-) (from O36)
  • placental transfusion syndromes (O43.0-) (from O36)

Excludes2

Not included here — may be reported together when both conditions exist.

  • mental and behavioral disorders associated with the puerperium (F53.-) (from O36)
  • obstetrical tetanus (A34) (from O36)
  • postpartum necrosis of pituitary gland (E23.0) (from O36)
  • puerperal osteomalacia (M83.0) (from O36)
  • labor and delivery complicated by fetal stress (O77.-) (from O36)

Use additional code

Add a code to identify the following, if applicable.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (from O36)

7th character

This code requires a 7th character (defined at O36). Use the placeholder "X" for missing positions.

CharacterMeaning
0not applicable or unspecified
1fetus 1
2fetus 2
3fetus 3
4fetus 4
5fetus 5
9other fetus

Also known as

  • Maternal care for Rh incompatibility (with hydrops fetalis)

Parent code

  • O36Maternal care for other fetal problemsNeeds 7th char

More specific codes O36.0

  • O36.01Maternal care for anti-D [Rh] antibodiesNeeds 7th char
  • O36.09Maternal care for other rhesus isoimmunizationNeeds 7th char

Related codes

  • O36.1Maternal care for other isoimmunizationNeeds 7th char
  • O36.2Maternal care for hydrops fetalisNeeds 7th char
  • O36.4Maternal care for intrauterine deathNeeds 7th char
  • O36.5Maternal care for known or suspected poor fetal growthNeeds 7th char
  • O36.6Maternal care for excessive fetal growthNeeds 7th char
  • O36.7Maternal care for viable fetus in abdominal pregnancyNeeds 7th char
  • O36.8Maternal care for other specified fetal problemsNeeds 7th char
  • O36.9Maternal care for fetal problem, unspecifiedNeeds 7th char

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