2017/18 ICD-10-CM Diagnosis Code O28.1

Abnormal biochemical finding on antenatal screening of mother

ICD-10-CM Coding Rules
The following code(s) above O28.1 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 O28.1:
  • O00-O9A
    2018 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
  • O20-O29
    2018 ICD-10-CM Range O20-O29

    Other maternal disorders predominantly related to pregnancy

    Type 2 Excludes
    • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
    • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
    Other maternal disorders predominantly related to pregnancy
  • O28
    ICD-10-CM Diagnosis Code O28

    Abnormal findings on antenatal screening of mother

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • diagnostic findings classified elsewhere - see Alphabetical Index
    Abnormal findings on antenatal screening of mother
Approximate Synonyms ICD-10-CM O28.1 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert O28.1 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to O28.1:

ICD-10-CM Codes Adjacent To O28.1
O26.892 …… second trimester
O26.893 …… third trimester
O26.899 …… unspecified trimester
O26.9 Pregnancy related conditions, unspecified
O26.90 …… unspecified trimester
O26.91 …… first trimester
O26.92 …… second trimester
O26.93 …… third trimester
O28 Abnormal findings on antenatal screening of mother
O28.0 Abnormal hematological finding on antenatal screening of mother
O28.1 Abnormal biochemical finding on antenatal screening of mother
O28.2 Abnormal cytological finding on antenatal screening of mother
O28.3 Abnormal ultrasonic finding on antenatal screening of mother
O28.4 Abnormal radiological finding on antenatal screening of mother
O28.5 Abnormal chromosomal and genetic finding on antenatal screening of mother
O28.8 Other abnormal findings on antenatal screening of mother
O28.9 Unspecified abnormal findings on antenatal screening of mother
O29 Complications of anesthesia during pregnancy
O29.0 Pulmonary complications of anesthesia during pregnancy
O29.01 Aspiration pneumonitis due to anesthesia during pregnancy
O29.011 …… first trimester

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