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D62 – Acute Posthemorrhagic Anemia

D62 is the ICD-10 code for acute posthemorrhagic anemia – a drop in red blood cells caused by sudden, significant blood loss due to injury, surgery, or internal bleeding.

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D62 is the ICD-10 code for acute posthemorrhagic anemia – a drop in red blood cells caused by sudden, significant blood loss due to injury, surgery, or internal bleeding.

What Does ICD-10 Code D62 Mean?

The ICD-10 code D62 refers to acute posthemorrhagic anemia, a condition in which the body experiences a rapid and significant drop in red blood cells or hemoglobin as a direct result of acute blood loss. This code is used in medical documentation and billing to identify anemia that has occurred following a sudden bleeding event. Unlike chronic blood loss anemia (ICD-10: D50.0), D62 specifically describes the acute form of hemorrhage-related anemia.

Causes

Acute posthemorrhagic anemia can result from any event that causes a large volume of blood to be lost over a short period of time:

Severe trauma or injuries (e.g., road traffic accidents)
Surgical procedures involving significant blood loss
Gastrointestinal bleeding (e.g., peptic ulcers, intestinal hemorrhage)
Gynecological bleeding (e.g., heavy menstrual periods, postpartum hemorrhage)
Internal bleeding due to vascular rupture or organ laceration
Spontaneous bleeding in patients with coagulation disorders

Symptoms

The symptoms of acute posthemorrhagic anemia depend on how much blood has been lost and how quickly. Common signs include:

Pale skin and mucous membranes
Rapid heart rate (tachycardia) and low blood pressure
Dizziness, lightheadedness, and fainting
Extreme fatigue and weakness
Shortness of breath (dyspnea)
Cold sweats and confusion in severe cases
In extreme cases: hypovolemic shock, which is a life-threatening condition

Diagnosis

The diagnosis of D62 is based on clinical assessment and laboratory findings:

Complete blood count (CBC): Reduced red blood cell count, low hemoglobin (Hb) level, and decreased hematocrit
Reticulocyte count: Elevated after several hours to days, indicating the bone marrow is responding
Coagulation tests: PT and aPTT to assess for underlying clotting disorders
Clinical history and physical examination to identify the source of bleeding
Imaging studies (ultrasound, CT scan) or endoscopy if internal bleeding is suspected

Treatment

Treatment depends on the severity of blood loss and the underlying cause:

Stopping the Bleeding

The primary goal is to identify and control the source of bleeding through surgical intervention, endoscopy, or medication as appropriate.

Volume Replacement

In acute blood loss, the circulating blood volume is stabilized using intravenous fluids such as crystalloids or colloids.

Blood Transfusion

When hemoglobin levels fall significantly or the patient is hemodynamically unstable, transfusion of packed red blood cells (pRBCs) may be necessary. Transfusion decisions are guided by hemoglobin levels and the clinical status of the patient.

Iron Supplementation

Once the acute phase has been managed, iron supplementation may be recommended to support the regeneration of red blood cells and restore iron stores.

Treatment of Underlying Conditions

Any underlying conditions that contributed to the bleeding event (e.g., coagulation disorders, peptic ulcers) must also be treated to prevent recurrence.

References

World Health Organization (WHO): ICD-10 – International Statistical Classification of Diseases and Related Health Problems, 10th Revision, Volume 1, Geneva 2019.
Kasper D.L. et al.: Harrison's Principles of Internal Medicine, 21st Edition, McGraw-Hill Education, New York 2022 – Chapter: Anemia and Polycythemia.
Carson J.L. et al.: Red Blood Cell Transfusion: 2023 AABB International Guidelines. Annals of Internal Medicine, 2023. PMID: 37159092.

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