2027 ICD-10-CM Diagnosis Code O44Placenta previa

ICD-10-CM Codes›O00-O9A›O30-O48›O44

ICD-10-CM O44
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O44 is a non-billable ICD-10-CM category code for placenta previa, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O44.00, O44.01, O44.02, and O44.03.

Code Identity

ICD-10-CM Code
O44
Billable Status
No — Non-Billable Category
Code Describes
Placenta previa
Short Description
Placenta previa
Same as the full description in the CMS dataset.
Chapter
O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problems
CategoryO44Placenta previa
This CodeO44Placenta previa

Specific Coding for Placenta previaOverview

Non-specific codes like O44 require more characters. Use one of these billable codes instead:

  • O44.0 for Complete placenta previa NOS or without hemorrhage

  • Use O44.00 for Complete placenta previa NOS or without hemorrhage, unspecified trimester

  • Use O44.01 for Complete placenta previa NOS or without hemorrhage, first trimester

  • Use O44.02 for Complete placenta previa NOS or without hemorrhage, second trimester

  • Use O44.03 for Complete placenta previa NOS or without hemorrhage, third trimester

  • O44.1 for Complete placenta previa with hemorrhage

  • Use O44.10 for Complete placenta previa with hemorrhage, unspecified trimester

  • Use O44.11 for Complete placenta previa with hemorrhage, first trimester

  • Use O44.12 for Complete placenta previa with hemorrhage, second trimester

  • Use O44.13 for Complete placenta previa with hemorrhage, third trimester

  • O44.2 for Partial placenta previa without hemorrhage

  • Use O44.20 for Partial placenta previa NOS or without hemorrhage, unspecified trimester

  • Use O44.21 for Partial placenta previa NOS or without hemorrhage, first trimester

  • Use O44.22 for Partial placenta previa NOS or without hemorrhage, second trimester

  • Use O44.23 for Partial placenta previa NOS or without hemorrhage, third trimester

  • O44.3 for Partial placenta previa with hemorrhage

  • Use O44.30 for Partial placenta previa with hemorrhage, unspecified trimester

  • Use O44.31 for Partial placenta previa with hemorrhage, first trimester

  • Use O44.32 for Partial placenta previa with hemorrhage, second trimester

  • Use O44.33 for Partial placenta previa with hemorrhage, third trimester

  • O44.4 for Low lying placenta NOS or without hemorrhage

  • Use O44.40 for Low lying placenta NOS or without hemorrhage, unspecified trimester

  • Use O44.41 for Low lying placenta NOS or without hemorrhage, first trimester

  • Use O44.42 for Low lying placenta NOS or without hemorrhage, second trimester

  • Use O44.43 for Low lying placenta NOS or without hemorrhage, third trimester

  • O44.5 for Low lying placenta with hemorrhage

  • Use O44.50 for Low lying placenta with hemorrhage, unspecified trimester

  • Use O44.51 for Low lying placenta with hemorrhage, first trimester

  • Use O44.52 for Low lying placenta with hemorrhage, second trimester

  • Use O44.53 for Low lying placenta with hemorrhage, third trimester

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O44: its own notes plus those printed at 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 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 O44, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming O44: they are not reported together with it, unless the two conditions are unrelated.

  • O46 Antepartum hemorrhage, not elsewhere classified
    placenta previa (O44.-)
  • O67 Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified
    placenta previa (O44.-)

Excludes2 1

These codes carry an Excludes2 note naming O44: its condition is not part of those codes, and both may be reported when the patient has both.

  • O43 Placental disorders
    placenta previa (O44.-)

Clinical InformationClinical

  • Placenta Previa

    abnormal placentation in which the placenta implants in the lower segment of the uterus (the zone of dilation) and may cover part or all of the opening of the cervix. it is often associated with serious antepartum bleeding and premature labor.

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.

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 O44Overview

What is the ICD-10 code for placenta previa?

O44 is the ICD-10-CM category for placenta previa, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is O44 (Placenta previa) a billable code?

No. This is a category header that groups the codes for placenta previa, and headers cannot be submitted on claims. Claims for placenta previa need a more specific code from this category, such as O44.00, O44.01, and O44.02.