Is D47.3 a billable ICD-10-CM code?

Yes. D47.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D47.3 sit in the tabular list?

Neoplasms (C00-D49), in the block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48).

D47.3

D47.3 — Essential (hemorrhagic) thrombocythemia

Billable / specific codeICD-10-CM

D47.3 is a billable, specific ICD-10-CM code for essential (hemorrhagic) thrombocythemia. It is valid for submission on a claim.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

reactive thrombocytosis (D75.838)
secondary thrombocytosis (D75.838)
thrombocythemia NOS (D75.839)
thrombocytosis NOS (D75.839)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Essential thrombocytosis
Idiopathic hemorrhagic thrombocythemia
Primary thrombocytosis

Other codes that can never be billed with D47.3

These codes carry an Excludes1 note pointing at D47.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D47.3 alone.

D69Purpura and other hemorrhagic conditions

Risk adjustment

D47.3 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

D47.3 is named in 65 Medicare coverage policies — 65 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52479Oral Anticancer Drugs - Policy Article
A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
A52986Billing and Coding: Biomarkers for Oncology
A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions

How D47.3 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D47.3.

Thrombocythemia›essential
Thrombocythemia›idiopathic
Thrombocythemia›primary
Thrombocytosis›essential
Thrombocytosis›idiopathic
Thrombocytosis›primary

Related codes at this level

Codes that share D47. If D47.3 is not quite right, the correct code is usually one of these.

Questions about D47.3

Is D47.3 a billable ICD-10-CM code?: Yes. D47.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D47.3 sit in the tabular list?: Neoplasms (C00-D49), in the block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48).