2018/2019 ICD-10-CM Diagnosis Code O41.149

Placentitis, unspecified trimester

The following code(s) above O41.149 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 O41.149:
  • O00-O9A
    2019 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    • 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
  • O41
    ICD-10-CM Diagnosis Code O41

    Other disorders of amniotic fluid and membranes

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
    Other disorders of amniotic fluid and membranes
Code History
ICD-10-CM Codes Adjacent To O41.149
O41.1425 …… fetus 5
O41.1429 …… other fetus
O41.143 Placentitis, third trimester
O41.1430 …… not applicable or unspecified
O41.1431 …… fetus 1
O41.1432 …… fetus 2
O41.1433 …… fetus 3
O41.1434 …… fetus 4
O41.1435 …… fetus 5
O41.1439 …… other fetus
O41.149 Placentitis, unspecified trimester
O41.1490 …… not applicable or unspecified
O41.1491 …… fetus 1
O41.1492 …… fetus 2
O41.1493 …… fetus 3
O41.1494 …… fetus 4
O41.1495 …… fetus 5
O41.1499 …… other fetus
O41.8 Other specified disorders of amniotic fluid and membranes
O41.8X Other specified disorders of amniotic fluid and membranes
O41.8X1 Other specified disorders of amniotic fluid and membranes, first trimester

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