Billable / Specific Code
ICD-10-CM D75.821 is the diagnosis code for Non-immune heparin-induced thrombocytopenia. This code falls under the section "Other disorders of blood and blood-forming organs" within Chapter 3 — Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where D75.821 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, D75.821 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
D75.821 is the ICD-10-CM diagnosis code for "Non-immune heparin-induced thrombocytopenia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of D75.821 is D75.82 ("Heparin induced thrombocytopenia (HIT)"). D75.821 provides a more specific classification within this category.
D75.821 is located in Section D70-D77 — "Other disorders of blood and blood-forming organs" within Chapter 3 of the ICD-10-CM Tabular List.
Use D75.821 when the patients documented diagnosis matches "Non-immune heparin-induced thrombocytopenia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Non-immune heparin-induced thrombocytopenia is D75.821.
Yes, D75.821 can be used as a primary diagnosis code since it is billable and specific.
D75.821 is in Chapter 3 of the ICD-10-CM Tabular List.
Yes, D75.821 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.