2018/2019 ICD-10-CM Diagnosis Code O41.1421

Placentitis, second trimester, fetus 1

ICD-10-CM Coding Rules
The following code(s) above O41.1421 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 O41.1421:
  • 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
ICD-10-CM O41.1421 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

Convert O41.1421 to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To O41.1421
O41.141 Placentitis, first trimester
O41.1410 …… not applicable or unspecified
O41.1411 …… fetus 1
O41.1412 …… fetus 2
O41.1413 …… fetus 3
O41.1414 …… fetus 4
O41.1415 …… fetus 5
O41.1419 …… other fetus
O41.142 Placentitis, second trimester
O41.1420 …… not applicable or unspecified
O41.1421 …… fetus 1
O41.1422 …… fetus 2
O41.1423 …… fetus 3
O41.1424 …… fetus 4
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

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