Version 2024

2024 ICD-10-CM Diagnosis Code O26.0

Excessive weight gain in pregnancy

ICD-10-CM Code:
O26.0
ICD-10 Code for:
Excessive weight gain in pregnancy
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Pregnancy, childbirth and the puerperium
    (O00-O9A)
    • Other maternal disorders predominantly related to pregnancy
      (O20-O29)
      • Maternal care for other conditions predominantly related to pregnancy
        (O26)

O26.0 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of excessive weight gain in pregnancy. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Excessive weight gain in pregnancy

Non-specific codes like O26.0 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for excessive weight gain in pregnancy:

  • Use O26.00 for Excessive weight gain in pregnancy, unspecified trimester - BILLABLE CODE

  • Use O26.01 for Excessive weight gain in pregnancy, first trimester - BILLABLE CODE

  • Use O26.02 for Excessive weight gain in pregnancy, second trimester - BILLABLE CODE

  • Use O26.03 for Excessive weight gain in pregnancy, third trimester - BILLABLE CODE

Clinical Information

  • Excessive Weight Gain in Pregnancy

    in a woman with a normal weight pre-pregnancy body mass index (bmi), i.e. 18.5-24.9, the weight gained during pregnancy exceeds a total weight gain of 35 lbs. in a woman with an underweight pre-pregnancy body mass index (bmi), i.e. less than 18.5, the weight gained during pregnancy exceeds a total weight gain of 40 lbs. in a woman with an overweight pre-pregnancy body mass index (bmi), i.e. 25.0-29.9, the weight gained during pregnancy exceeds a total weight gain of 25 lbs. in a woman with an obese pre-pregnancy body mass index (bmi), i.e. greater than 30, the weight gained during pregnancy exceeds a total weight gain of 20 lbs. these standards are supported for the whole population irrespective of height, race or ethnicity.

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.