2027 ICD-10-CM Diagnosis Code O80Encounter for full-term uncomplicated delivery
ICD-10-CM Codes›O00-O9A›O80-O82›O80
- Billable — Valid for Submission
- POA Exempt
- Not Chronic
O80 is a billable ICD-10-CM diagnosis code for encounter for full-term uncomplicated delivery. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 998. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64) and exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Uncomplicated pregnancy, delivery or puerperium.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O80.
Present on Admission (POA)Billing
O80 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review the other POA exempt codes in Encounter for delivery (O80-O82).
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Cervical effacement 10 percent
- Cervical effacement 20 percent
- Cervical effacement 30 percent
- Cervical effacement 40 percent
- Cervical effacement 50 percent
- Cervical effacement 60 percent
- Cervical effacement 70 percent
- Cervical effacement 80 percent
- Cervical effacement 90 percent
- Cervix dilated
- Cervix undilated
- Complete placenta at delivery
- Contraction of uterus during labor
- Delivery normal
- Effective uterine contractions
- Expulsive uterine contractions
- Fair uterine contractions
- Finding of completeness of placenta
- Finding of contraction state of uterus
- Finding of effectiveness of uterine contraction
- Finding of frequency of uterine contraction
- Finding of pain of uterine contraction
- Finding of passing of operculum
- Finding of regularity of uterine contraction
- Finding of sensation of gravid uterus
- Finding of strength of uterine contraction
- Fully effaced cervix
- Good uterine contractions
- Gravid uterus normal
- Mother delivered
- Normal delivery - occipitoanterior
- Normal delivery but ante- or post- natal conditions present
- Normal female reproductive function
- Normal reproductive system function
- Normal strength uterine contractions
- Occasional uterine tightenings
- Operculum passed
- Painless uterine contractions
- Quadruplet birth
- Quintuplet birth
- Regular uterine contractions
- Rim of cervix palpable
- Segments of uterus distinguishable in labor
- Sextuplet birth
- Spontaneous vertex delivery
- Strong uterine contractions
- Term birth of fraternal twins, both living
- Term birth of fraternal twins, both stillborn
- Term birth of identical twins, both living
- Term birth of identical twins, both stillborn
- Term birth of multiple newborns
- Term birth of newborn quadruplets
- Term birth of newborn quintuplets
- Term birth of newborn sextuplets
- Term birth of stillborn twins
- Term pregnancy delivered
- Transmission of uterine contraction wave
- Twins - both live born
- Twins - both stillborn
- Umbilical cord not around baby's neck at delivery
- Uterine contractions normal
- Uterine contractions present
- Uterine observation in labor
- Uterus contracted
- Vaginal delivery
- Variable strength uterine contractions
- Very strong uterine contractions
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O80: 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.
- Delivery requiring minimal or no assistance, with or without episiotomy, without fetal manipulation [e.g., rotation version] or instrumentation [forceps] of a spontaneous, cephalic, vaginal, full-term, single, live-born infant. This code is for use as a single diagnosis code and is not to be used with any other code from chapter 15.
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 to indicate outcome of delivery (Z37.0)
- 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 O80, its category, or a range that includes it.
Code First 1
These codes say to code first a condition named in the note, and O80 is one of the conditions named.
- Z3A Weeks of gestation
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Admission (for) See Also: Encounter (for);
normal O80
spontaneous O80
uncomplicated O80
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Childbirth
Childbirth is the process of giving birth to a baby. It includes labor and delivery of the fetus and the placenta. The placenta is the organ that supplies food and oxygen through the umbilical cord to your fetus during pregnancy.
The full article covers:
- What is childbirth?
- How do I know if I'm going into labor?
- What are the stages of labor?
- What are the options for pain relief during childbirth?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert O80 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About O80Overview
What is the ICD-10 code for encounter for full-term uncomplicated delivery?
The ICD-10-CM code for encounter for full-term uncomplicated delivery is O80. It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O80 (Encounter for full-term uncomplicated delivery) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report encounter for full-term uncomplicated delivery on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O80 group to?
When encounter for full-term uncomplicated delivery is the principal diagnosis on an inpatient stay, it groups to MS-DRG 998 (principal Diagnosis Invalid as Discharge Diagnosis), which carries a relative weight of 0. Higher weights mean higher Medicare reimbursement.
Who can O80 be reported for?
The Medicare Code Editor checks encounter for full-term uncomplicated delivery against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.
Is O80 exempt from POA reporting?
Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for encounter for full-term uncomplicated delivery on inpatient claims. The code appears in the Encounter for delivery (O80-O82) range of the CMS exempt list.
