ICD10BillableValid for clinical use

ICD-10 Code O90.81: Anemia of the puerperium

O90.81 is a billable ICD-10 diagnosis code used to classify Anemia of the puerperium 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 21 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 anemia of the puerperium 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
O90Complications of the puerperium, not elsewhere classified
category
O90.8Other complications of the puerperium, not elsewhere classified
currentO90.8

Official coding notes

Inclusion terms
  • Postpartum anemia NOS
Excludes1 (do not code together)
  • pre-existing anemia complicating the puerperium (O99.03)

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

ObstetricianGynecologistHematologist

Coding guidelines

Common synonyms

Anemia of the puerperium

Frequently asked questions

Code details

CodeO90.81
SystemICD10
Display nameAnemia of the puerperium
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
Anemia(essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound)Puerperal, puerperium(complicated by, complications)

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 O90.81 for Anemia of the puerperium | HealthAssure