2027 ICD-10-CM Diagnosis Code O77.1Fetal stress in labor or delivery due to drug administration

ICD-10-CM Codes›O00-O9A›O60-O77›O77

ICD-10-CM O77.1
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O77.1 is a billable ICD-10-CM diagnosis code for fetal stress in labor or delivery due to drug administration. 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). Coders also document this condition as fetal distress - in labor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Drug induced or toxic related condition; and Malposition, disproportion or other labor complications.

Code Identity

ICD-10-CM Code
O77.1
Billable Status
Yes — Valid for Submission
Code Describes
Fetal stress in labor or delivery due to drug administration
Short Description
Fetal stress in labor or delivery due to drug administration
Same as the full description in the CMS dataset.
Parent Code
Other fetal stress complicating labor and delivery

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO60-O77Complications of labor and delivery
CategoryO77Other fetal stress complicating labor and delivery
This CodeO77.1Fetal stress in labor or delivery due to drug administration

Code EditsBilling

Medicare Code Editor checks that affect claim validity for O77.1.

The Medicare Code Editor detects inconsistencies in maternity cases by checking a patient's age and any diagnosis on the patient's record. The maternity code edits apply to patients age ange is 9–64 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Fetal distress - in labor
  • Fetal distress due to augmentation of labor with oxytocin

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O77.1: its own notes plus those printed at Chapter 15. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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 O77.1, its category, or a range that includes it.

Excludes2 2

These codes carry an Excludes2 note naming O77.1: its condition is not part of those codes, and both may be reported when the patient has both.

  • O36 Maternal care for other fetal problems
    labor and delivery complicated by fetal stress (O77.-) names O77.-, which includes this code
  • O76 Abnormality in fetal heart rate and rhythm complicating labor and delivery
    other fetal stress (O77.0-O77.1) names O77.0-O77.1, which includes this code

Index to Diseases and InjuriesGuidance

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ030
Drug induced or toxic related condition
Default principal diagnosis: inpatient No · outpatient No
CCSR PRG024
Malposition, disproportion or other labor complications
Default principal diagnosis: inpatient Yes · outpatient Yes

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 O77.1 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
656.81 Fet/plac prob NEC-deliv
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About O77.1Overview

What is the ICD-10 code for fetal stress in labor or delivery due to drug administration?

The ICD-10-CM code for fetal stress in labor or delivery due to drug administration is O77.1 (sometimes written as O771). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is O77.1 (Other fetal stress complicating labor and delivery) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report fetal stress in labor or delivery due to drug administration on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does O77.1 group to?

When fetal stress in labor or delivery due to drug administration 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 O77.1 be reported for?

The Medicare Code Editor checks fetal stress in labor or delivery due to drug administration 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 O77.1?

Under the General Equivalence Mappings, fetal stress in labor or delivery due to drug administration converts to ICD-9-CM 656.81 (fet/plac prob NEC-deliv). The mapping is approximate, so confirm the match fits the documentation.