ICD10BillableValid for clinical use

ICD-10 Code O86.81: Puerperal septic thrombophlebitis

O86.81 is a billable ICD-10 diagnosis code used to classify Puerperal septic thrombophlebitis in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Pregnancy, childbirth and the puerperium (O00-O9A).

When is it used?

  • May be used when a clinician documents puerperal septic thrombophlebitis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
15Pregnancy, childbirth and the puerperium (O00-O9A)
block
O85-O92Complications predominantly related to the puerperium
category
O86Other puerperal infections
category
O86.8Other specified puerperal infections
currentO86.8

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

ObstetricianGynecologist

Related tests

Complete blood count
Commonly reviewed when assessing postpartum infection.
Microbiology culture
May be used in selected postpartum infection workups to help identify the infectious organism.

Related procedures

Pelvic ultrasound
May appear in selected postpartum infection or fever workups when retained tissue or pelvic collections are being evaluated.

Coverage-related procedures and services

CPT 93970high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93971high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 93978high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93979high
DUPLEX SCAN OF AORTA, INFERIOR VENA CAVA, ILIAC VASCULATURE, OR BYPASS GRAFTS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 93975high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; COMPLETE STUDY
Source: CMS coverage guidance
CPT 93976high
DUPLEX SCAN OF ARTERIAL INFLOW AND VENOUS OUTFLOW OF ABDOMINAL, PELVIC, SCROTAL CONTENTS AND/OR RETROPERITONEAL ORGANS; LIMITED STUDY
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Puerperal septic thrombophlebitis

Frequently asked questions

Code details

CodeO86.81
SystemICD10
Display namePuerperal septic thrombophlebitis
ChapterPregnancy, childbirth and the puerperium (O00-O9A)
BlockComplications predominantly related to the puerperium

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Puerperal, puerperium(complicated by, complications)Puerperal, puerperium(complicated by, complications)Thrombophlebitis

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code O86.81 for Puerperal septic thrombophlebitis | HealthAssure