ICD10BillableValid for clinical use

ICD-10 Code D75.1: Secondary polycythemia

D75.1 is a billable ICD-10 diagnosis code used to classify Secondary polycythemia 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 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).

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 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89).

When is it used?

  • May be used when a clinician documents secondary polycythemia 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
3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
block
D70-D77Other disorders of blood and blood-forming organs
category
D75Other and unspecified diseases of blood and blood-forming organs
currentD75

Official coding notes

Inclusion terms
  • Acquired polycythemia
  • Emotional polycythemia
  • Erythrocytosis NOS
  • Hypoxemic polycythemia
  • Nephrogenous polycythemia
  • Polycythemia due to erythropoietin
  • Polycythemia due to fall in plasma volume
  • Polycythemia due to high altitude
  • Polycythemia due to stress
  • Polycythemia NOS
  • Relative polycythemia
Excludes1 (do not code together)
  • polycythemia neonatorum (P61.1)
  • polycythemia vera (D45)

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

HematologistGeneral Physician

Coverage-related procedures and services

CPT 81479high
UNLISTED MOLECULAR PATHOLOGY PROCEDURE
Source: CMS coverage guidance
CPT 0040Uhigh
BCR/ABL1 (T(9;22)) (EG, CHRONIC MYELOGENOUS LEUKEMIA) TRANSLOCATION ANALYSIS, MAJOR BREAKPOINT, QUANTITATIVE
Source: CMS coverage guidance
CPT 81206high
BCR/ABL1 (T(9;22)) (EG, CHRONIC MYELOGENOUS LEUKEMIA) TRANSLOCATION ANALYSIS; MAJOR BREAKPOINT, QUALITATIVE OR QUANTITATIVE
Source: CMS coverage guidance
CPT 81207high
BCR/ABL1 (T(9;22)) (EG, CHRONIC MYELOGENOUS LEUKEMIA) TRANSLOCATION ANALYSIS; MINOR BREAKPOINT, QUALITATIVE OR QUANTITATIVE
Source: CMS coverage guidance
CPT 81208high
BCR/ABL1 (T(9;22)) (EG, CHRONIC MYELOGENOUS LEUKEMIA) TRANSLOCATION ANALYSIS; OTHER BREAKPOINT, QUALITATIVE OR QUANTITATIVE
Source: CMS coverage guidance
CPT 81219high
CALR (CALRETICULIN) (EG, MYELOPROLIFERATIVE DISORDERS), GENE ANALYSIS, COMMON VARIANTS IN EXON 9
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
D75.1

Common synonyms

Secondary polycythemia

Frequently asked questions

Code details

CodeD75.1
SystemICD10
Display nameSecondary polycythemia
ChapterDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
BlockOther disorders of blood and blood-forming organs

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Disease, diseasedEffect, adverseErythremia(acute)Erythrocytosis(megalosplenic) (secondary)Erythrocytosis(megalosplenic) (secondary)Erythrocytosis(megalosplenic) (secondary)Gaisböck's disease(polycythemia hypertonica)HighMountainPolycythemia(secondary)Polycythemia(secondary)Polycythemia(secondary)

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 D75.1 for Secondary polycythemia | HealthAssure