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D50.1 – Iron Deficiency Anemia from Blood Loss
D50.1 is the ICD-10 code for iron deficiency anemia due to chronic blood loss. It causes low iron levels, leading to fatigue, pallor, and reduced oxygen transport in the blood.
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D50.1 is the ICD-10 code for iron deficiency anemia due to chronic blood loss. It causes low iron levels, leading to fatigue, pallor, and reduced oxygen transport in the blood.
What is D50.1?
The ICD-10 code D50.1 refers to iron deficiency anemia secondary to chronic blood loss. This is a form of anemia (low red blood cell count or hemoglobin) that develops when the body loses more iron over time than it can absorb – most commonly due to persistent or recurring bleeding. Iron is an essential mineral required for the production of hemoglobin, the protein in red blood cells responsible for carrying oxygen throughout the body.
Causes
The most common causes of chronic blood loss leading to D50.1 include:
- Gastrointestinal bleeding: such as from peptic ulcers, polyps, colorectal cancer, or hemorrhoids
- Heavy menstrual bleeding (menorrhagia) in women
- Chronic kidney disease with frequent blood draws or bleeding episodes
- Frequent blood donation without adequate recovery time
- Urinary tract bleeding, e.g., from bladder cancer or kidney stones
- Chronic inflammation or injuries with recurring minor blood losses
Symptoms
The symptoms of iron deficiency anemia from chronic blood loss tend to develop gradually. Common signs include:
- Persistent fatigue and weakness
- Pale skin and pale mucous membranes
- Shortness of breath during physical activity
- Rapid or irregular heartbeat (palpitations)
- Dizziness and headaches
- Brittle nails and hair loss
- Cracks at the corners of the mouth (angular cheilitis)
- Difficulty concentrating and reduced performance
Diagnosis
Diagnosis is based on a combination of physical examination and laboratory tests. Key diagnostic parameters include:
- Complete blood count (CBC): Low hemoglobin (Hb), small and pale red blood cells (microcytic, hypochromic anemia)
- Ferritin level: Low ferritin indicates depleted iron stores
- Serum iron and transferrin saturation: Both reduced
- TIBC (Total Iron-Binding Capacity): Elevated
- Reticulocyte count to assess bone marrow activity
To identify the underlying cause, additional investigations may be required, such as gastroscopy, colonoscopy, or gynecological evaluation.
Treatment
The management of D50.1 involves two main strategies:
1. Treatment of the Underlying Cause
The source of bleeding must first be identified and addressed to stop ongoing iron loss. This may involve surgical procedures, medication, or endoscopic interventions.
2. Iron Supplementation
To replenish iron stores, the following options are available:
- Oral iron supplements: Often the first-line treatment, such as ferrous sulfate or ferrous gluconate. Taking them on an empty stomach or with vitamin C improves absorption.
- Intravenous (IV) iron infusions: Used when oral supplements are not tolerated, absorption is impaired, or rapid correction is needed.
- Blood transfusions: Reserved for severe cases with critically low hemoglobin levels.
Iron supplementation is usually continued for several months until both hemoglobin levels normalize and iron stores are fully replenished.
Dietary Recommendations
A diet rich in iron can complement medical treatment. Good dietary sources of iron include red meat, legumes, spinach, pumpkin seeds, and fortified cereals. Consuming vitamin C alongside plant-based iron sources significantly enhances iron absorption.
References
- World Health Organization (WHO): Iron Deficiency Anaemia – Assessment, Prevention, and Control. Geneva, 2001.
- Kassebaum NJ et al.: A systematic analysis of global anemia burden from 1990 to 2010. Blood. 2014;123(5):615–624. PubMed PMID: 24297872.
- Goddard AF et al.: Guidelines for the management of iron deficiency anaemia. Gut. 2011;60(10):1309–1316. British Society of Gastroenterology.
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