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ICD-10 Coding for Iron Deficiency(D50.0, D50.8, D50.9, E61.1)

Complete ICD-10-CM coding and documentation guide for Iron Deficiency. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Iron Deficiency AnemiaIDA

Related ICD-10 Code Ranges

Complete code families applicable to Iron Deficiency

D50-D53Primary Range

Nutritional anemias

This range includes codes for various types of nutritional anemias, including iron deficiency anemia.

Deficiency of other nutrients

This range includes codes for nutrient deficiencies without anemia, such as iron deficiency without anemia.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
D50.0Iron deficiency anemia secondary to blood loss (chronic)Use when chronic blood loss is documented as the cause of anemia.
  • Ferritin <12 ng/mL
  • Elevated TIBC
  • Hgb <12 g/dL (women) or <13 g/dL (men)
D50.8Other iron deficiency anemiasUse when specific causes like dietary deficiency are documented.
  • Transferrin saturation <16%
  • MCV <80 fL
D50.9Iron deficiency anemia, unspecifiedUse when no specific cause of iron deficiency anemia is documented.
  • Low ferritin and hemoglobin levels without specified cause
E61.1Iron deficiencyUse when iron deficiency is present without anemia.
  • Low ferritin with normal hemoglobin levels

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for iron deficiency anemia

Essential facts and insights about Iron Deficiency

The ICD-10 code for iron deficiency anemia due to chronic blood loss is D50.0. For other specified causes, use D50.8, and for unspecified causes, use D50.9.

Primary ICD-10-CM Codes for iron deficiency

Iron deficiency anemia secondary to blood loss (chronic)
Billable Code

Decision Criteria

clinical Criteria

  • Chronic blood loss confirmed by clinical evaluation

Applicable To

  • Chronic blood loss anemia

Excludes

  • Acute posthemorrhagic anemia (D62)

Clinical Validation Requirements

  • Ferritin <12 ng/mL
  • Elevated TIBC
  • Hgb <12 g/dL (women) or <13 g/dL (men)

Code-Specific Risks

  • Incorrectly using for acute blood loss
  • Missing documentation of chronicity

Coding Notes

  • Ensure documentation specifies chronic blood loss and its source.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Gastrointestinal hemorrhage, unspecified

K92.2
Use to specify the source of chronic blood loss.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Acute posthemorrhagic anemia

D62
Use D62 for acute blood loss anemia, not chronic.

Iron deficiency without anemia

E61.1
Use E61.1 when iron deficiency is present without anemia.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Iron Deficiency to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code D50.0.

Impact

Clinical: May lead to incorrect treatment plans., Regulatory: Increases risk of audits and penalties., Financial: Potential for denied claims and reduced reimbursement.

Mitigation Strategy

Train staff on documentation requirements, Use templates to ensure completeness

Impact

Reimbursement: May lead to lower reimbursement due to lack of specificity., Compliance: Increases risk of audit and non-compliance., Data Quality: Reduces data accuracy and quality.

Mitigation Strategy

Use the specific code (e.g., D50.0 or D50.8) when the cause is known.

Impact

High audit risk due to lack of specificity.

Mitigation Strategy

Ensure documentation supports the most specific code possible.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Iron Deficiency, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Iron Deficiency

Use these documentation templates to ensure complete and accurate documentation for Iron Deficiency. These templates include all required elements for proper coding and billing.

Chronic GI Bleed

Specialty: Gastroenterology

Required Elements

  • Patient history of GI symptoms
  • Lab results including ferritin and hemoglobin
  • Endoscopy findings

Example Documentation

**Subjective**: Pt reports fatigue and melena ×6 months. **Objective**: Hgb 9.8 g/dL, MCV 72 fL, ferritin 10 ng/mL, TIBC 480 µg/dL. EGD shows actively bleeding duodenal ulcer. **Assessment**: Iron deficiency anemia (D50.0) secondary to chronic GI bleed (K25.0). **Plan**: IV iron infusion; gastroenterology follow-up for ulcer management.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has iron deficiency.
Good Documentation Example
IDA secondary to chronic menorrhagia: Hgb 10.2 g/dL, ferritin 8 ng/mL, TIBC 450 µg/dL.
Explanation
The good example specifies the cause and includes supporting lab results.

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