O80
Encounter for full-term uncomplicated delivery
O80 is a billable ICD-10-CM diagnosis code for encounter for full-term uncomplicated delivery. It is part of the FY2027 code set, effective October 1, 2026. The Alphabetic Index lists it under 7 entries. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 4 Excludes2 entries.
Guidelines tips
From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.
The trimester character comes from the provider's documentation for the current encounter. The unspecified trimester code should rarely be used.
O80 is always a principal diagnosis and is not used if any other chapter 15 code is needed for a current complication. Z37.0 is the only outcome of delivery code used with it.
Use additional code
Add the listed code as a secondary code, if known.
- code to indicate outcome of delivery (Z37.0)
Also from chapter/block level (1 note)
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Also from chapter/block level (1 note)
- supervision of normal pregnancy (Z34.-)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (4 notes)
Inclusion terms
Conditions classified to this code.
- 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.
Notes
Also from chapter/block level (6 notes)
- 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
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 7 entries
- Admission (for), delivery, full-term, uncomplicated
- Delivery (childbirth) (labor), completely normal case
- Delivery (childbirth) (labor), normal
- Delivery (childbirth) (labor), spontaneous
- Delivery (childbirth) (labor), term pregnancy NOS
- Delivery (childbirth) (labor), uncomplicated
- Encounter (with health service) (for), delivery, full-term, uncomplicated