ICD-10-CM › O00-O9A › O30-O48 › O36.839 Maternal care for abnormalities of... › O36.8391
O36.8391
Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 1
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2018 to now.
- FY2018 Added to the code set Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 1
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from O36 Maternal care for other fetal problems
Seventh character required
- One of the following 7th characters is to be assigned to each code under category O36. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O36 that has a 7th character of 1 through 9.
Excludes1 - never coded here
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
- placental transfusion syndromes (O43.0-)
Excludes2 - not included here
- labor and delivery complicated by fetal stress (O77.-)
Includes
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cicatrix
- Sialorrhea
- Anteflexion
- Itch, itching
- Pinpoint > os
- Stricture > vagina
- Anteversion > cervix
- Stricture > os uteri
- Pregnancy > high-risk
- Supervision > pregnancy
- Rectocele > in pregnancy
- Disease, diseased > renal
- Occlusion, occluded > cervix
- Pregnancy > normal > high-risk
- Stricture > uterus, uterine > os
- Pendulous > abdomen, in pregnancy
- Supervision > high-risk pregnancy
- Pregnancy > examination > high-risk
- Occlusion, occluded > cervical canal
- Stenosis, stenotic > endocervical os
- Encounter > pregnancy > supervision of
- Pregnancy > prenatal care only > high-risk
- Rigid, rigidity > pelvic floor in pregnancy
- Contraction, contracture, contracted > cervix
- Pregnancy > complicated by > previous history of
- Contraction, contracture, contracted > internal os
- Prediabetes, prediabetic > complicating > pregnancy
- Necrosis, necrotic > kidney > tubular > complicating > pregnancy
- Pregnancy > complicated by > fetal > bradycardia
- Pregnancy > complicated by > fetal > heart rate irregularity
- Pregnancy > complicated by > fetal > depressed heart rate tones
- Pregnancy > complicated by > fetal > non-reassuring heart rate or rhythm
- Pregnancy > complicated by > abnormal, abnormality > fetal heart rate or rhythm
Codes in the same group
| Code | Description | Status |
|---|---|---|
| O36.8390 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, not applicable or unspecified | Valid |
| O36.8392 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 2 | Valid |
| O36.8393 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 3 | Valid |
| O36.8394 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 4 | Valid |
| O36.8395 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, fetus 5 | Valid |
| O36.8399 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester, other fetus | Valid |