2020 ICD-10-CM Diagnosis Code O99.212

Obesity complicating pregnancy, second trimester

    2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years) 2nd Trimester (14-28 weeks)
  • O99.212 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 O99.212 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O99.212 - other international versions of ICD-10 O99.212 may differ.
ICD-10-CM Coding Rules
  • O99.212 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O99.212 is applicable to mothers in the second trimester of pregnancy, which is defined as between equal to or greater than 14 weeks to less than 28 weeks since the first day of the last menstrual period.
The following code(s) above O99.212 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 O99.212:
  • 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
  • O99
    ICD-10-CM Diagnosis Code O99

    Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
    Type 2 Excludes
    • when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
    Use Additional
    • code to identify specific condition
    Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
  • O99.2
    ICD-10-CM Diagnosis Code O99.2

    Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    Type 2 Excludes
    • diabetes mellitus (O24.-)
    • malnutrition (O25.-)
    • postpartum thyroiditis (O90.5)
    Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
  • O99.21
    ICD-10-CM Diagnosis Code O99.21

    Obesity complicating pregnancy, childbirth, and the puerperium

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Use Additional
    • code to identify the type of obesity (E66.-)
    Obesity complicating pregnancy, childbirth, and the puerperium
ICD-10-CM O99.212 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 O99.212 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 O99.212
O99.111 …… first trimester
O99.112 …… second trimester
O99.113 …… third trimester
O99.119 …… unspecified trimester
O99.12 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating childbirth
O99.13 Other diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism complicating the puerperium
O99.2 Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
O99.21 Obesity complicating pregnancy, childbirth, and the puerperium
O99.210 Obesity complicating pregnancy, unspecified trimester
O99.211 Obesity complicating pregnancy, first trimester
O99.212 Obesity complicating pregnancy, second trimester
O99.213 Obesity complicating pregnancy, third trimester
O99.214 Obesity complicating childbirth
O99.215 Obesity complicating the puerperium
O99.28 Other endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium
O99.280 Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester
O99.281 Endocrine, nutritional and metabolic diseases complicating pregnancy, first trimester
O99.282 Endocrine, nutritional and metabolic diseases complicating pregnancy, second trimester
O99.283 Endocrine, nutritional and metabolic diseases complicating pregnancy, third trimester
O99.284 Endocrine, nutritional and metabolic diseases complicating childbirth
O99.285 Endocrine, nutritional and metabolic diseases complicating the puerperium

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