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E83.1 ICD-10-CM Code: Disorders of iron metabolism

ICD-10-CM Code View

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FY 2026 Apr update / Endocrine, nutritional and metabolic diseases (E00-E89) / Metabolic disorders (E70-E88)

E83.1

Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidance

Disorders of iron metabolism

Disorders of iron metabolism

CMS-HCC V28

N/A

Not mapped

CMS-HCC V24

N/A

Not mapped

ACA/HHS

N/A

Not mapped

ESRD/PACE

N/A

Not mapped

RXHCC

N/A

Not mapped

Code Book Path

Official
E83Disorders of mineral metabolism
E83.1Disorders of iron metabolism

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for E83.1 in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for E83.1 in this effective period.

Related Child Codes

Official
E83.10Disorder of iron metabolism, unspecified
E83.11Hemochromatosis
E83.19Other disorders of iron metabolism

Includes

Official

ICD-10-CM does not list Includes notes for E83.1 in this effective period.

Excludes 1

Official
  • iron deficiency anemia (D50.-)
  • sideroblastic anemia (D64.0-D64.3)

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for E83.1 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for E83.1 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for E83.1 in this effective period.

Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →

Code
E83.1
Description
Disorders of iron metabolism
HCC (V28)
No CMS-HCC V28 mapping
RAF
Billable
No
Payment year
2026

Coder workflow notes

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What This Code Means

E83.1 is the ICD-10-CM diagnosis code for disorders of iron metabolism. E83.1 sits in the ICD-10-CM chapter for endocrine, nutritional and metabolic diseases (e00-e89), within the section covering metabolic disorders (e70-e88).

Header codes like E83.1 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at E83.1's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for E83.1 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Excludes 1, Do NOT code together

Child Codes

Code Hierarchy

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