2027 ICD-10-CM Diagnosis Code O89.3Toxic reaction to local anesthesia during the puerperium
ICD-10-CM Codes›O00-O9A›O85-O92›O89
- Billable — Valid for Submission
- Not Chronic
O89.3 is a billable ICD-10-CM diagnosis code for toxic reaction to local anesthesia during the puerperium. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 769, 776. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). Coders also document this condition as obstetric toxic reaction to local anesthesia. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complications specified during the puerperium.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O89.3.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Obstetric toxic reaction to local anesthesia
- Problem encountered during administration of local anesthetic
- Toxic reaction to local anesthesia during the puerperium
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O89.3: its own notes plus those printed at O89, block O85-O92, and Chapter 15. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during the puerperium
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, to identify specific complication
- 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 O89.3, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming O89.3: they are not reported together with it, unless the two conditions are unrelated.
Excludes2 2
These codes carry an Excludes2 note naming O89.3: its condition is not part of those codes, and both may be reported when the patient has both.
- O29 Complications of anesthesia during pregnancycomplications of anesthesia during the puerperium (O89.-) names O89.-, which includes this code
- T88 Other complications of surgical and medical care, not elsewhere classifiedcomplications of anesthesia in puerperium (O89.-) names O89.-, which includes this code
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
anesthesia See Also: Anesthesia; T88.59
Reaction See Also: Disorder;
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Anesthesia
Anesthesia is the use of medicines, called anesthetics, to prevent pain during surgery and other medical procedures. Medicine may be given by injection, inhalation, topical lotion, spray, eye drops, or a skin patch.
The full article covers:
- What is anesthesia?
- What is anesthesia used for?
- What are the types of anesthesia?
- What are the risks of anesthesia?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert O89.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About O89.3Overview
What is the ICD-10 code for toxic reaction to local anesthesia during the puerperium?
The ICD-10-CM code for toxic reaction to local anesthesia during the puerperium is O89.3 (sometimes written as O893). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O89.3 (Complications of anesthesia during the puerperium) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report toxic reaction to local anesthesia during the puerperium on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O89.3 group to?
When toxic reaction to local anesthesia during the puerperium is the principal diagnosis on an inpatient stay, it groups to MS-DRG 769, 776, with relative weights from 0.6718 to 1.6666 depending on complications. Higher weights mean higher Medicare reimbursement.
Who can O89.3 be reported for?
The Medicare Code Editor checks toxic reaction to local anesthesia during the puerperium against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.
Does O89.3 need an additional code?
When the condition applies, yes. The Use Additional Code note at O89, which applies to O89.3, reads: code, if applicable, to identify specific complication. The additional code is reported after O89.3.
