O36.83

Maternal care for abnormalities of the fetal heart rate or rhythm

Requires 7th character

O36.83 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Maternal care for depressed fetal heart rate tones
  • Maternal care for fetal bradycardia
  • Maternal care for fetal heart rate abnormal variability
  • Maternal care for fetal heart rate decelerations
  • Maternal care for fetal heart rate irregularity
  • Maternal care for fetal tachycardia
  • Maternal care for non-reassuring fetal heart rate or rhythm

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 depressed fetal heart rate tones
  • Maternal care for fetal bradycardia
  • Maternal care for fetal heart rate abnormal variability
  • Maternal care for fetal heart rate decelerations
  • Maternal care for fetal heart rate irregularity
  • Maternal care for fetal tachycardia
  • Maternal care for non-reassuring fetal heart rate or rhythm
  • Pregnancy, complicated by, abnormal, abnormality, fetal heart rate or rhythm
  • Pregnancy, complicated by, fetal, bradycardia
  • Pregnancy, complicated by, fetal, depressed heart rate tones
  • Pregnancy, complicated by, fetal, heart rate irregularity
  • Pregnancy, complicated by, fetal, non-reassuring heart rate or rhythm

Parent code

  • O36.8Maternal care for other specified fetal problemsNeeds 7th char

More specific codes O36.83

  • O36.831Maternal care for abnormalities of the fetal heart rate or rhythm, first trimesterNeeds 7th char
  • O36.832Maternal care for abnormalities of the fetal heart rate or rhythm, second trimesterNeeds 7th char
  • O36.833Maternal care for abnormalities of the fetal heart rate or rhythm, third trimesterNeeds 7th char
  • O36.839Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimesterNeeds 7th char

Related codes

  • O36.80Pregnancy with inconclusive fetal viabilityNeeds 7th char
  • O36.81Decreased fetal movementsNeeds 7th char
  • O36.82Fetal anemia and thrombocytopeniaNeeds 7th char
  • O36.89Maternal care for other specified fetal problemsNeeds 7th char

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