2027 ICD-10-CM Diagnosis Code O90.89Other complications of the puerperium, not elsewhere classified

ICD-10-CM Codes›O00-O9A›O85-O92›O90

ICD-10-CM O90.89
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O90.89 is a billable ICD-10-CM diagnosis code for other complications of the puerperium, not elsewhere classified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 769, 776. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complications specified during the puerperium.

Code Identity

ICD-10-CM Code
O90.89
Billable Status
Yes — Valid for Submission
Code Describes
Other complications of the puerperium, not elsewhere classified
Short Description
Oth complications of the puerperium, NEC
Parent Code
Other complications of the puerperium, not elsewhere classified

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO85-O92Complications predominantly related to the puerperium
CategoryO90Complications of the puerperium, not elsewhere classified
This CodeO90.89Other complications of the puerperium, not elsewhere classified

Code EditsBilling

Medicare Code Editor checks that affect claim validity for O90.89.

The Medicare Code Editor detects inconsistencies in maternity cases by checking a patient's age and any diagnosis on the patient's record. The maternity code edits apply to patients age ange is 9–64 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • After pains
  • Complication of obstetrical surgical wound
  • Death of unknown cause
  • Disease of circulatory system complicating pregnancy childbirth and puerperium
  • Female pelvic cellulitis
  • Finding of consistency of uterus
  • Finding of quantity of lochia
  • Flaccid uterus
  • Flaccid uterus after delivery
  • Hypertrophy of uterus
  • Hypocalcemia of late pregnancy and/or lactation
  • Lochia abnormal
  • Lochia heavy
  • Maternal death
  • Non-involution of uterus
  • Odor of lochia
  • Offensive lochia
  • Pain during postpartum period due to and following cesarean section
  • Pendulous abdomen in pregnancy, childbirth and/or the puerperium
  • Pituitary hemorrhage
  • Placental polyp
  • Post-episiotomy pain
  • Postnatal acquired sensorineural hearing loss
  • Postnatal vaginal discomfort
  • Postpartum episiotomy pain
  • Postpartum intrapituitary hemorrhage
  • Postpartum maternal death
  • Postpartum uterine hypertrophy
  • Puerperal pelvic cellulitis
  • Reproductive system complication of procedure
  • Stenosis of cervix in pregnancy, childbirth and the puerperium
  • Subinvolution of uterus in puerperium
  • Sudden death
  • Sudden death of unknown cause during the puerperium
  • Sudden death, cause unknown
  • Vaginal discomfort
  • Vesicovaginal fistula
  • Vesicovaginal fistula with involvement of urinary continence mechanism following normal delivery
  • Vesicovaginal fistula with involvement of urinary continence mechanism following obstetric delivery procedure

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O90.89: 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.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Placental polyp

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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name O90.89, its category, or a range that includes it.

Excludes1 3

These codes carry an Excludes1 note naming O90.89: they are not reported together with it, unless the two conditions are unrelated.

  • N84 Polyp of female genital tract
    placental polyp (O90.89)
  • N85.2 Hypertrophy of uterus
    puerperal hypertrophy of uterus (O90.89)
  • N85.3 Subinvolution of uterus
    puerperal subinvolution of uterus (O90.89)

Excludes2 1

These codes carry an Excludes2 note naming O90.89: its condition is not part of those codes, and both may be reported when the patient has both.

  • O43 Placental disorders
    placental polyp (O90.89)

Index to Diseases and InjuriesGuidance

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR PRG027
Complications specified during the puerperium
Default principal diagnosis: inpatient Yes · outpatient Yes

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.

Convert O90.89 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
646.44 Neuritis of preg-postpar
Approximate The match is approximate rather than exact.
ICD-9-CM
646.84 Preg compl NEC-postpart
Approximate The match is approximate rather than exact.
ICD-9-CM
674.44 Placental polyp-postpart
Approximate The match is approximate rather than exact.
ICD-9-CM
674.82 Puerp comp NEC-del w p/p
Approximate The match is approximate rather than exact.
ICD-9-CM
674.84 Puerp compl NEC-postpart
Approximate The match is approximate rather than exact.
ICD-9-CM
679.04 Mat comp in utero-p/p
Approximate The match is approximate rather than exact.

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 O90.89Overview

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

The ICD-10-CM code for other complications of the puerperium, not elsewhere classified is O90.89 (sometimes written as O9089). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is O90.89 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other complications of the puerperium, not elsewhere classified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does O90.89 group to?

When other complications of the puerperium, not elsewhere classified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 769, 776, with relative weights from 0.6718 to 1.6666 depending on complications. Higher weights mean higher Medicare reimbursement.

Who can O90.89 be reported for?

The Medicare Code Editor checks other complications of the puerperium, not elsewhere classified against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.

What is the ICD-9 equivalent of O90.89?

Under the General Equivalence Mappings, other complications of the puerperium, not elsewhere classified converts to ICD-9-CM 646.44 (neuritis of preg-postpar), 646.84 (preg compl NEC-postpart), and 674.44 (placental polyp-postpart). The mapping is approximate, so confirm the match fits the documentation.