O89.3 ICD-10-CM Code: Toxic reaction to local anesthesia during the puerperium
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Pregnancy, childbirth and the puerperium (O00-O9A) / Complications predominantly related to the puerperium (O85-O92)
O89.3
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceToxic reaction to local anesthesia during the puerperium
Poisoning or harmful reaction to local anesthetic medications administered during the postpartum period, causing systemic toxicity.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
MappedHCC 209
Varies by metal level
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for O89.3 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for O89.3 in this effective period.
Related Child Codes
Includes
Official- maternal complications arising from the administration of a general, regional or local anesthetic, analgesic or other sedation during the puerperium
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for O89.3 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for O89.3 in this effective period.
Use Additional
Official- code, if applicable, to identify specific complication
Code Also
OfficialICD-10-CM does not list Code Also instructions for O89.3 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is O89.3 an HCC code?
No. O89.3 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
- Code
- O89.3
- Description
- Toxic reaction to local anesthesia during the puerperium
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
O89.3 is the ICD-10-CM diagnosis code for toxic reaction to local anesthesia during the puerperium. Poisoning or harmful reaction to local anesthetic medications administered during the postpartum period, causing systemic toxicity. O89.3 sits in the ICD-10-CM chapter for pregnancy, childbirth and the puerperium (o00-o9a), within the section covering complications predominantly related to the puerperium (o85-o92).
O89.3 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
Document the specific local anesthetic agent used (lidocaine, bupivacaine, etc.) if available.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for O89.3 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Document the specific local anesthetic agent used (lidocaine, bupivacaine, etc.) if available
- •Include symptoms of toxicity (tremors, seizures, cardiovascular collapse) to support the diagnosis