2027 ICD-10-CM Diagnosis Code O90Complications of the puerperium, not elsewhere classified

ICD-10-CM Codes›O00-O9A›O85-O92›O90

ICD-10-CM O90
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O90 is a non-billable ICD-10-CM category code for complications of the puerperium, not elsewhere classified, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O90.0, O90.1, O90.2, and O90.3.

Code Identity

ICD-10-CM Code
O90
Billable Status
No — Non-Billable Category
Code Describes
Complications of the puerperium, not elsewhere classified
Short Description
Complications of the puerperium, not elsewhere classified
Same as the full description in the CMS dataset.
Chapter
O85-O92
Complications predominantly related to the puerperium

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO85-O92Complications predominantly related to the puerperium
CategoryO90Complications of the puerperium, not elsewhere classified
This CodeO90Complications of the puerperium, not elsewhere classified

Specific Coding for Complications of the puerperium, not elsewhere classifiedOverview

Non-specific codes like O90 require more characters. Use one of these billable codes instead:

  • Use O90.0 for Disruption of cesarean delivery wound

  • Use O90.1 for Disruption of perineal obstetric wound

  • Use O90.2 for Hematoma of obstetric wound

  • Use O90.3 for Peripartum cardiomyopathy

  • O90.4 for Postpartum acute kidney failure

  • Use O90.41 for Hepatorenal syndrome following labor and delivery

  • Use O90.49 for Other postpartum acute kidney failure

  • Use O90.5 for Postpartum thyroiditis

  • Use O90.6 for Postpartum mood disturbance

  • O90.8 for Other complications of the puerperium, not elsewhere classified

  • Use O90.81 for Anemia of the puerperium

  • Use O90.89 for Other complications of the puerperium, not elsewhere classified

  • Use O90.9 for Complication of the puerperium, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O90: its own notes plus those printed at block O85-O92 and Chapter 15. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • supervision of normal pregnancy (Z34.-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block O85-O92 Complications predominantly related to the puerperium applies to 114 codes
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • puerperal osteomalacia (M83.0)
From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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

Add a second code, after this one, to fully describe the condition.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Notes

General instructions on how these codes are used.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Patient EducationClinical

Postpartum Care

Taking home a new baby is one of the happiest times in a woman's life. But it also presents both physical and emotional challenges. :

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About O90Overview

What is the ICD-10 code for complications of the puerperium, not elsewhere classified?

O90 is the ICD-10-CM category for complications of the puerperium, not elsewhere classified, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is O90 (Complications of the puerperium, not elsewhere classified) a billable code?

No. This is a category header that groups the codes for complications of the puerperium, not elsewhere classified, and headers cannot be submitted on claims. Claims for complications of the puerperium, not elsewhere classified need a more specific code from this category, such as O90.0, O90.1, and O90.2.