2020 ICD-10-CM Diagnosis Code O35.0XX9

Maternal care for (suspected) central nervous system malformation in fetus, other fetus

    2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
  • O35.0XX9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Maternal care for (suspected) cnsl malform in fetus, oth
  • The 2020 edition of ICD-10-CM O35.0XX9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O35.0XX9 - other international versions of ICD-10 O35.0XX9 may differ.
ICD-10-CM Coding Rules
  • O35.0XX9 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above O35.0XX9 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to O35.0XX9:
  • O00-O9A
    2020 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    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
    Type 1 Excludes
    • supervision of normal pregnancy (Z34.-)
    Type 2 Excludes
    • mental and behavioral disorders associated with the puerperium (F53.-)
    • obstetrical tetanus (A34)
    • postpartum necrosis of pituitary gland (E23.0)
    • puerperal osteomalacia (M83.0)
    Use Additional
    • code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
    Pregnancy, childbirth and the puerperium
  • O35
    ICD-10-CM Diagnosis Code O35

    Maternal care for known or suspected fetal abnormality and damage

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code Also
    • any associated maternal condition
    Includes
    • the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy
    Type 1 Excludes
    • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
    Maternal care for known or suspected fetal abnormality and damage
  • O35.0
    ICD-10-CM Diagnosis Code O35.0

    Maternal care for (suspected) central nervous system malformation in fetus

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Maternal care for fetal anencephaly
    • Maternal care for fetal hydrocephalus
    • Maternal care for fetal spina bifida
    Type 2 Excludes
    • chromosomal abnormality in fetus (O35.1)
    Maternal care for (suspected) central nervous system malformation in fetus
ICD-10-CM O35.0XX9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 817 Other antepartum diagnoses with o.r. Procedure with mcc
  • 818 Other antepartum diagnoses with o.r. Procedure with cc
  • 819 Other antepartum diagnoses with o.r. Procedure without cc/mcc
  • 831 Other antepartum diagnoses without o.r. Procedure with mcc
  • 832 Other antepartum diagnoses without o.r. Procedure with cc
  • 833 Other antepartum diagnoses without o.r. Procedure without cc/mcc

Convert O35.0XX9 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To O35.0XX9
O34.92 …… second trimester
O34.93 …… third trimester
O35 Maternal care for known or suspected fetal abnormality and damage
O35.0 Maternal care for (suspected) central nervous system malformation in fetus
O35.0XX0 …… not applicable or unspecified
O35.0XX1 …… fetus 1
O35.0XX2 …… fetus 2
O35.0XX3 …… fetus 3
O35.0XX4 …… fetus 4
O35.0XX5 …… fetus 5
O35.0XX9 …… other fetus
O35.1 Maternal care for (suspected) chromosomal abnormality in fetus
O35.1XX0 …… not applicable or unspecified
O35.1XX1 …… fetus 1
O35.1XX2 …… fetus 2
O35.1XX3 …… fetus 3
O35.1XX4 …… fetus 4
O35.1XX5 …… fetus 5
O35.1XX9 …… other fetus
O35.2 Maternal care for (suspected) hereditary disease in fetus
O35.2XX0 …… not applicable or unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.