2027 ICD-10-CM Diagnosis Code O62.0Primary inadequate contractions
ICD-10-CM Codes›O00-O9A›O60-O77›O62
- Billable — Valid for Submission
- Not Chronic
O62.0 is a billable ICD-10-CM diagnosis code for primary inadequate contractions. 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 failure of cervical dilation. 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 O62.0.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Failure of cervical dilation
- Failure of cervical dilation due to primary uterine inertia
- Hypotonic uterine inertia
- Primary hypotonic uterine dysfunction
- Primary uterine inertia
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O62.0: 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.
- Failure of cervical dilatation
- Primary hypotonic uterine dysfunction
- Uterine inertia during latent phase of labor
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 O62.0, its category, or a range that includes it.
Applicable To 1
These notes mention O62.0.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
primary O62.0
poor dilatation, cervix O62.0
cervical dystocia (hypotonic) O62.2
primary O62.0
primary O62.0
primary O62.0
cervix (uteri) See Also: Incompetency, cervix;
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 O62.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About O62.0Overview
What is the ICD-10 code for primary inadequate contractions?
The ICD-10-CM code for primary inadequate contractions is O62.0 (sometimes written as O620). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O62.0 (Abnormalities of forces of labor) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report primary inadequate contractions on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O62.0 group to?
When primary inadequate contractions 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 O62.0 be reported for?
The Medicare Code Editor checks primary inadequate contractions 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 O62.0?
Under the General Equivalence Mappings, primary inadequate contractions converts to ICD-9-CM 661.01 (prim uterine inert-deliv). The mapping is approximate, so confirm the match fits the documentation.
