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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems
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O35-
Maternal care for known or suspected fetal abnormality and damage
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2021 ICD-10-CM Diagnosis Code O35.0XX3
2021 ICD-10-CM Diagnosis Code O35.0XX3
Maternal care for (suspected) central nervous system malformation in fetus, fetus 3
2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
- O35.0XX3 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, fetus 3
- The 2021 edition of ICD-10-CM O35.0XX3 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O35.0XX3 - other international versions of ICD-10 O35.0XX3 may differ.
ICD-10-CM Coding Rules
- O35.0XX3 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above
O35.0XX3 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
O35.0XX3:
- O00-O9A
2021 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperiumNote- 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.
- O35
ICD-10-CM Diagnosis Code O35
Maternal care for known or suspected fetal abnormality and damage
2016 2017 2018 2019 2020 2021 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-)
- O35.0
ICD-10-CM Diagnosis Code O35.0
Maternal care for (suspected) central nervous system malformation in fetus
2016 2017 2018 2019 2020 2021 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)
- 817 Other antepartum diagnoses with o.r. Procedures with mcc
- 818 Other antepartum diagnoses with o.r. Procedures with cc
- 819 Other antepartum diagnoses with o.r. Procedures without cc/mcc
- 831 Other antepartum diagnoses without o.r. Procedures with mcc
- 832 Other antepartum diagnoses without o.r. Procedures with cc
- 833 Other antepartum diagnoses without o.r. Procedures without cc/mcc
Convert O35.0XX3 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
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To O35.0XX3
O34.9 Maternal care for abnormality of pelvic organ, unspecified
O34.90 …… unspecified 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
O35.0XX3
…… fetus 3
O35.1 Maternal care for (suspected) chromosomal abnormality in fetus
O35.1XX0 …… 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.
