2020 ICD-10-CM Diagnosis Code O9A.111

Malignant neoplasm complicating pregnancy, first trimester

    2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years) 1st Trimester (< 14 weeks)
  • O9A.111 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM O9A.111 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O9A.111 - other international versions of ICD-10 O9A.111 may differ.
ICD-10-CM Coding Rules
  • O9A.111 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O9A.111 is applicable to mothers in the first trimester of pregnancy, which is defined as less than 14 weeks since the first day of the last menstrual period.
The following code(s) above O9A.111 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 O9A.111:
  • 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
  • O9A.1
    ICD-10-CM Diagnosis Code O9A.1

    Malignant neoplasm complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    Type 2 Excludes
    • maternal care for benign tumor of corpus uteri (O34.1-)
    • maternal care for benign tumor of cervix (O34.4-)
    Use Additional
    • code to identify neoplasm
    Malignant neoplasm complicating pregnancy, childbirth and the puerperium
ICD-10-CM O9A.111 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 O9A.111 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 O9A.111
O99.840 Bariatric surgery status complicating pregnancy, unspecified trimester
O99.841 Bariatric surgery status complicating pregnancy, first trimester
O99.842 Bariatric surgery status complicating pregnancy, second trimester
O99.843 Bariatric surgery status complicating pregnancy, third trimester
O99.844 Bariatric surgery status complicating childbirth
O99.845 Bariatric surgery status complicating the puerperium
O99.89 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
O9A Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
O9A.1 Malignant neoplasm complicating pregnancy, childbirth and the puerperium
O9A.11 Malignant neoplasm complicating pregnancy
O9A.111 …… first trimester
O9A.112 …… second trimester
O9A.113 …… third trimester
O9A.119 …… unspecified trimester
O9A.12 Malignant neoplasm complicating childbirth
O9A.13 Malignant neoplasm complicating the puerperium
O9A.2 Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium
O9A.21 Injury, poisoning and certain other consequences of external causes complicating pregnancy
O9A.211 …… first trimester
O9A.212 …… second trimester
O9A.213 …… third trimester

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