2027 ICD-10-CM Diagnosis Code O62.1Secondary uterine inertia
ICD-10-CM Codes›O00-O9A›O60-O77›O62
- Billable — Valid for Submission
- Not Chronic
O62.1 is a billable ICD-10-CM diagnosis code for secondary uterine inertia. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 817 through 819, 831 through 833. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). Coders also document this condition as arrest in second stage of labor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Malposition, disproportion or other labor complications.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O62.1.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Arrest in second stage of labor
- Arrested active phase of labor
- Arrested labor
- Inefficient uterine activity with oxytocin augmentation
- Secondary uterine inertia
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O62.1: its own notes plus those printed at 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.
- Arrested active phase of labor
- Secondary hypotonic uterine dysfunction
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- 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.
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- 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.
- 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 O62.1, its category, or a range that includes it.
Applicable To 1
These notes mention O62.1.
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.
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 O62.1 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About O62.1Overview
What is the ICD-10 code for secondary uterine inertia?
The ICD-10-CM code for secondary uterine inertia is O62.1 (sometimes written as O621). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O62.1 (Abnormalities of forces of labor) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report secondary uterine inertia on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O62.1 group to?
When secondary uterine inertia is the principal diagnosis on an inpatient stay, it groups to MS-DRG 833, 832, 831, 819, 818, 817, with relative weights from 0.5000 to 1.7586 depending on complications. Higher weights mean higher Medicare reimbursement.
Who can O62.1 be reported for?
The Medicare Code Editor checks secondary uterine inertia 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 O62.1?
Under the General Equivalence Mappings, secondary uterine inertia converts to ICD-9-CM 661.11 (sec uterine inert-deliv). The mapping is approximate, so confirm the match fits the documentation.
