ICD-10-CM Code O60.03

Preterm labor without delivery, third trimester

Version 2020 Billable Code Maternity Diagnoses Diagnoses For Females Only Third Trimester (28+ weeks)

Valid for Submission

O60.03 is a billable code used to specify a medical diagnosis of preterm labor without delivery, third trimester. The code is valid for the year 2020 for the submission of HIPAA-covered transactions.

The code O60.03 is applicable to female patients aged 12 through 55 years inclusive. It is clinically and virtually impossible to use this code on a non-female patient outside the stated age range.

ICD-10:O60.03
Short Description:Preterm labor without delivery, third trimester
Long Description:Preterm labor without delivery, third trimester

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code O60.03 are found in the index:


Code Edits

The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:

  • Maternity diagnoses - Maternity. Age range is 12–55 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).
  • Diagnoses for females only - Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, this code applies to FEMALES only .

Diagnostic Related Groups

The ICD-10 code O60.03 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2019 through 09/30/2020.

  • 817 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITH MCC
  • 818 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITH CC
  • 819 - OTHER ANTEPARTUM DIAGNOSES WITH O.R. PROCEDURE WITHOUT CC/MCC

Convert O60.03 to ICD-9

  • 644.03 - Thrt prem labor-antepart (Approximate Flag)

Code Classification

  • Pregnancy, childbirth and the puerperium (O00–O99)
    • Complications of labor and delivery (O60-O77)
      • Preterm labor (O60)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Preterm Labor

Preterm labor is labor that starts before 37 completed weeks of pregnancy. It can lead to premature birth. Premature babies may face serious health risks.

Symptoms of preterm labor include

  • Contractions every 10 minutes or more often
  • Leaking fluid or bleeding from the vagina
  • Feeling of pressure in the pelvis
  • Low, dull backache
  • Cramps that feel like menstrual cramps
  • Abdominal cramps with or without diarrhea

If you think you might be having preterm labor, contact your health care provider.

NIH: National Institute of Child Health and Human Development


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