2027 ICD-10-CM Diagnosis Code O73.0Retained placenta without hemorrhage

ICD-10-CM Codes›O00-O9A›O60-O77›O73

ICD-10-CM O73.0
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O73.0 is a billable ICD-10-CM diagnosis code for retained placenta without hemorrhage. 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 childbirth.

Code Identity

ICD-10-CM Code
O73.0
Billable Status
Yes — Valid for Submission
Code Describes
Retained placenta without hemorrhage
Short Description
Retained placenta without hemorrhage
Same as the full description in the CMS dataset.
Parent Code
O73
Retained placenta and membranes, without hemorrhage

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO60-O77Complications of labor and delivery
CategoryO73Retained placenta and membranes, without hemorrhage
This CodeO73.0Retained placenta without hemorrhage

Code EditsBilling

Medicare Code Editor checks that affect claim validity for O73.0.

Maternity diagnoses
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.

  • Adherent placenta
  • Delayed expulsion of placenta
  • Finding of third stage of labor
  • Placenta accreta spectrum
  • Placenta adherent to previous uterine scar
  • Retained placenta
  • Retained placenta due to morbidly adherent placenta
  • Retained placenta, without hemorrhage
  • Retained secundines
  • Scarring of uterus
  • Speed of delivery of placenta - finding
  • Trapped placenta

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O73.0: its own notes plus those printed at O73 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.

  • Adherent placenta, without hemorrhage
  • Trapped placenta without hemorrhage

Excludes1

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

From O73 Retained placenta and membranes, without hemorrhage applies to 2 codes
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 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 O73.0, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming O73.0: they are not reported together with it, unless the two conditions are unrelated.

  • O43.2 Morbidly adherent placenta
    retained placenta (O73.-) names O73.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

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

CCSR PRG023
Complications specified during childbirth
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Childbirth Problems

Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include:

Read the full article at MedlinePlus

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

Convert O73.0 to ICD-9-CMHistory

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

ICD-9-CM
667.00 Retain placenta NOS-unsp
Approximate The match is approximate rather than exact.
ICD-9-CM
667.02 Retnd plac NOS-del w p/p
Approximate The match is approximate rather than exact.
ICD-9-CM
667.04 Retain plac NOS-postpart
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 O73.0Overview

What is the ICD-10 code for retained placenta without hemorrhage?

The ICD-10-CM code for retained placenta without hemorrhage is O73.0 (sometimes written as O730). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is O73.0 (Retained placenta and membranes, without hemorrhage) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report retained placenta without hemorrhage on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does O73.0 group to?

When retained placenta without hemorrhage 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 O73.0 be reported for?

The Medicare Code Editor checks retained placenta without hemorrhage against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.

Can O73.0 be reported with a code from O43.21?

Not as a rule. The Excludes1 note at O73, which applies to O73.0, lists "placenta accreta (O43.21-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).