2027 ICD-10-CM Diagnosis Code O36.8990Maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified
O36.8990 is a billable ICD-10-CM diagnosis code for maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified. The 7th character 0 shows this applies to a single gestation, or that the affected fetus is not identified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 817 through 819, 831 through 833. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Maternal care related to fetal conditions.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O36.8990.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Abnormal cardiotochogram tracing
- Abnormality of fetal heart
- Anomaly of fetal kidney
- Antepartum fetal asphyxia
- Antepartum fetal hypoxia
- At increased risk of impaired fetal development
- Bleeding from nose
- Cardiomegaly
- Cardiotochogram finding
- Choroid plexus cyst
- Closure of fetal arterial duct
- Common atrioventricular valve stenosis
- Diabetic cardiomyopathy
- Diabetic embryopathy
- Diffuse fetal skin edema
- Dilatation of fetal renal pelvis
- Dilatation of renal pelvis
- Disorder of fetal abdominal region
- Disorder of fetal myocardium
- Disorder of fetal nutrition
- Disorders of fetal movement
- Distended umbilical veins
- Dysfunction of right cardiac ventricle
- Early urethral obstruction sequence
- Edema of chest wall
- Edema of fetal chest wall
- Edema of fetal scalp
- Exsanguination
- Failure of growth of fetal left cardiac ventricle
- Failure of growth of fetal right cardiac ventricle
- Fetal acidemia affecting management of mother
- Fetal activity change
- Fetal AND/OR placental disorder affecting management of mother
- Fetal anemia
- Fetal ascites
- Fetal aspiration pneumonitis
- Fetal biventricular dysfunction
- Fetal blood loss from cut end of co-twin's cord
- Fetal blood loss from placenta
- Fetal blood loss from ruptured cord
- Fetal blood loss from vasa previa
- Fetal cardiac arrest
- Fetal cardiomegaly
- Fetal cardiomyopathy
- Fetal cardiovascular disorder
- Fetal cephalhematoma
- Fetal cerebral hemorrhage
- Fetal choroid plexus cyst
- Fetal cystic fibrosis
- Fetal cystic hygroma
- Fetal damage due to maternal viral infection
- Fetal damage from maternal infectious disorder
- Fetal damage from maternal listeriosis
- Fetal damage from maternal rubella
- Fetal damage from maternal toxoplasmosis
- Fetal dilated cardiomyopathy
- Fetal disorder
- Fetal disorder caused by chemicals
- Fetal disorder due to anomaly of placenta
- Fetal disorder due to compression of umbilical cord
- Fetal disorder due to disease in mother
- Fetal disorder due to entanglement of cord
- Fetal disorder due to long umbilical cord
- Fetal disorder due to maternal antepartum hemorrhage
- Fetal disorder due to maternal hemorrhage during pregnancy
- Fetal disorder due to placental transfusion syndrome
- Fetal disorder due to short umbilical cord
- Fetal disorder due to thrombosis of umbilical cord
- Fetal disorder due to torsion of umbilical cord
- Fetal disorder due to traumatic injury of umbilical cord
- Fetal disorder due to true knot of umbilical cord
- Fetal disorder due to twin-to-twin transfusion syndrome
- Fetal disorder due to umbilical cord around neck
- Fetal disorder due to umbilical cord disorder
- Fetal disorder due to varices of umbilical cord
- Fetal disorder due to vasa previa of umbilical cord
- Fetal disorder due to velamentous insertion of umbilical cord
- Fetal disorder originating in perinatal period
- Fetal distress - prelabor
- Fetal distress affecting management of mother
- Fetal distress-affecting care
- Fetal dysrhythmia
- Fetal ecchymoses
- Fetal endocrine disorder
- Fetal epilepsy due to perinatal stroke
- Fetal epistaxis
- Fetal exposure to teratogenic substance
- Fetal exsanguination
- Fetal extradural intracranial hemorrhage
- Fetal fluid retention
- Fetal fluid retention restricted to one fetal compartment
- Fetal fluid retention restricted to two fetal compartments
- Fetal gastrointestinal abnormality
- Fetal genitourinary abnormality
- Fetal head molding
- Fetal heart disorder
- Fetal heart failure
- Fetal heart failure due to extracardiac disease
- Fetal heart failure with myocardial hypertrophy
- Fetal heart failure with redistribution of cardiac output
- Fetal hemoglobinopathy
- Fetal hemophilia
- Fetal hemorrhage into co-twin
- Fetal hemorrhage into ventricle of brain
- Fetal hereditary disease
- Fetal hydronephrosis
- Fetal hypercapnia
- Fetal hypertrophic cardiomyopathy
- Fetal hypertrophic cardiomyopathy associated with renal disease
- Fetal hypertrophic cardiomyopathy due to maternal diabetes mellitus
- Fetal hypertrophic cardiomyopathy due to twin to twin transfusion syndrome
- Fetal hypoxia
- Fetal infection
- Fetal infection caused by Anaerobic bacterium
- Fetal infection caused by bacterium
- Fetal infection caused by Escherichia coli
- Fetal infection caused by fungus
- Fetal infection caused by Staphylococcus aureus
- Fetal infection caused by Streptococcus group B
- Fetal interstitial neoplasm of lung
- Fetal intracerebral hematoma
- Fetal intrauterine intestinal perforation with congenital atresia of intestinal tract
- Fetal intrauterine perforation of intestine
- Fetal jaundice caused by substance transmitted from mother
- Fetal left heart dominance
- Fetal left ventricular dysfunction
- Fetal lower urinary tract obstruction
- Fetal macrocephaly
- Fetal malformation of central nervous system
- Fetal mediastinal shift to left
- Fetal mediastinal shift to right
- Fetal metabolic disorder
- Fetal microcephaly
- Fetal movement activity - finding
- Fetal mummification
- Fetal myocarditis
- Fetal neoplasm
- Fetal neurodevelopmental disorder
- Fetal non-traumatic cerebellar hemorrhage
- Fetal non-traumatic hemorrhage of subarachnoid space of brain
- Fetal non-traumatic intracerebral hemorrhage
- Fetal nontraumatic intracranial hemorrhage
- Fetal nontraumatic intracranial subdural hemorrhage
- Fetal non-traumatic intraventricular hemorrhage
- Fetal non-traumatic posterior fossa hemorrhage
- Fetal parasitic infection
- Fetal parts not distinguishable per abdomen
- Fetal pericardial effusion
- Fetal pleural effusion
- Fetal pulmonary outflow tract obstruction due to twin to twin transfusion syndrome
- Fetal purpura
- Fetal rhabdomyoma
- Fetal right atrial dilatation
- Fetal right heart dominance
- Fetal right ventricular dysfunction
- Fetal sacral teratoma
- Fetal sensorineural hearing loss
- Fetal souffle
- Fetal subdural intracranial hemorrhage
- Fetal supraventricular tachycardia with long ventriculoatrial interval
- Fetal supraventricular tachycardia with short ventriculoatrial interval
- Fetal tachycardia
- Fetal trauma
- Fetal twin anemia-polycythemia sequence
- Fetal ventricular dysfunction
- Fetal-maternal hemorrhage
- Finding of fetal heart sounds
- Finding of pattern of fetal movement
- Finding of viability of pregnancy
- Fixed suture overlap
- Funisitis
- Hypercapnia
- Immature fetus
- Impaired fetal development
- Increase in velocity of blood flow of coronary artery of fetus
- Increased fetal nuchal thickness
- Inflammation of fetal umbilical artery
- Intrapartum fetal hypoxia
- Intrauterine asphyxia
- Intrauterine fetal sepsis
- Intrauterine hypoxia
- Intrauterine keratitis
- Left atrioventricular valve stenosis
- Left to right flow of foramen ovale of fetal heart
- Lithopedion
- Maternal antenatal administration of corticosteroids for fetal lung maturation
- Maternal history of therapy
- Mediastinal shift
- Narrowing of fetal arterial duct
- Neoplasm of fetal heart
- Neoplasm of uncertain behavior of sacrococcygeal region
- Neoplasm of uncertain behavior of sacrum
- Neoplasm of uncertain behavior of vertebral column
- Nodular embryo
- Nonreassuring fetal status
- Nontraumatic intracranial subdural hemorrhage
- Non-traumatic intraventricular hemorrhage grade 1 during fetal intrapartum period
- Non-traumatic intraventricular hemorrhage grade 1 during fetal period
- Non-traumatic intraventricular hemorrhage grade 2 during fetal intrapartum period
- Non-traumatic intraventricular hemorrhage grade 2 during fetal period
- Non-traumatic intraventricular hemorrhage grade 3 during fetal intrapartum period
- Non-traumatic intraventricular hemorrhage grade 3 during fetal period
- Non-traumatic intraventricular hemorrhage of fetus and/or neonate
- Non-viable pregnancy
- Obstruction of pulmonary outflow tract
- Obstruction of urethra
- Overlapping cranial sutures
- Perinatal hypoxia
- Placental transfusion syndromes
- Post-cerebrovascular accident epilepsy
- Progression of fetal left ventricular outflow tract obstruction
- Progression of fetal right ventricular outflow tract obstruction
- Reducible suture overlap
- Regurgitation of common atrioventricular valve
- Regurgitation of fetal aortic valve
- Regurgitation of fetal common atrioventricular valve
- Regurgitation of fetal left atrioventricular valve
- Regurgitation of fetal mitral valve
- Regurgitation of fetal pulmonary valve
- Regurgitation of fetal right atrioventricular valve
- Regurgitation of fetal tricuspid valve
- Regurgitation of fetal truncal valve
- Regurgitation of left atrioventricular valve
- Regurgitation of right atrioventricular valve
- Rhabdomyoma
- Right atrial dilatation
- Right atrial enlargement
- Right atrioventricular valve stenosis
- Rupture of cord
- Sacrococcygeal teratoma
- Single artery of fetal umbilical cord on obstetric ultrasound scan
- Stenosis of fetal aortic valve
- Stenosis of fetal common atrioventricular valve
- Stenosis of fetal left atrioventricular valve
- Stenosis of fetal mitral valve
- Stenosis of fetal pulmonary valve
- Stenosis of fetal right atrioventricular valve
- Stenosis of fetal tricuspid valve
- Stenosis of fetal truncal valve
- Subperiosteal hematoma
- Subperiosteal hemorrhage
- Sutures touching without overlapping
- Truncal valve regurgitation
- Truncal valve stenosis
- Twin-to-twin blood transfer
- Umbilical hemorrhage
- Vagitus uterinus
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O36.8990: its own notes plus those printed at O36 and Chapter 15. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- labor and delivery complicated by fetal stress (O77.-)
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Notes
General instructions on how these codes are used.
- 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
7th Character
Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.
- 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.
- 0not applicable or unspecified this code
- 1fetus 1
- 2fetus 2
- 3fetus 3
- 4fetus 4
- 5fetus 5
- 9other fetus
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name O36.8990, its category, or a range that includes it.
Excludes1 1
These codes carry an Excludes1 note naming O36.8990: they are not reported together with it, unless the two conditions are unrelated.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Health Problems in Pregnancy
A health problem in pregnancy is any disease or condition that could affect your health or the health of your fetus. Some health problems may make it more likely that you will have a high-risk pregnancy. A high-risk pregnancy is one in which you, your fetus, or both are at higher risk for health problems than in a typical pregnancy.
The full article covers:
- What are health problems in pregnancy?
- What raises my risk for health problems during pregnancy?
- Can chronic health conditions cause problems in pregnancy?
- Can health problems in pregnancy be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert O36.8990 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About O36.8990Overview
Is O36.8990 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What does the 7th character 0 in O36.8990 mean?
The final character 0 shows the maternal care for other specified fetal problems, unspecified trimester applies to a single gestation, or that the affected fetus cannot be identified.
What MS-DRG does O36.8990 group to?
When maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 833, 832, 831, 819, 818, 817, with relative weights from 0.5000 to 1.7586 depending on complications. Higher weights mean higher Medicare reimbursement.
Who can O36.8990 be reported for?
The Medicare Code Editor checks maternal care for other specified fetal problems, unspecified trimester, not applicable or unspecified against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.
Can O36.8990 be reported with a code from Z03.7?
Not as a rule. The Excludes1 note at O36, which applies to O36.8990, lists "encounter for suspected maternal and fetal conditions ruled out (Z03.7-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
