ICD10BillableValid for clinical use
ICD-10 Code E63.9: Nutritional deficiency, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Endocrine, nutritional and metabolic diseases (E00-E89).
When is it used?
- May be used when a clinician documents nutritional deficiency, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
4Endocrine, nutritional and metabolic diseases (E00-E89)
block
E50-E64Other nutritional deficiencies
category
E63Other nutritional deficiencies
currentE63
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
EndocrinologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 75716high
ANGIOGRAPHY, EXTREMITY, BILATERAL, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 75710high
ANGIOGRAPHY, EXTREMITY, UNILATERAL, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 75705high
ANGIOGRAPHY, SPINAL, SELECTIVE, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 75630high
AORTOGRAPHY, ABDOMINAL PLUS BILATERAL ILIOFEMORAL LOWER EXTREMITY, CATHETER, BY SERIALOGRAPHY, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 75625high
AORTOGRAPHY, ABDOMINAL, BY SERIALOGRAPHY, RADIOLOGICAL SUPERVISION AND INTERPRETATION
Source: CMS coverage guidance
CPT 36200high
INTRODUCTION OF CATHETER, AORTA
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 102635008high
Acute deficiency state
Source: SNOMED International ICD-10 map
SNOMED_CT 102636009high
Chronic deficiency state
Source: SNOMED International ICD-10 map
SNOMED_CT 1186883000high
Dementia due to nutritional deficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 84733009high
Dilated cardiomyopathy due to nutritional deficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 724561002high
Encephalopathy due to nutritional deficiency
Source: SNOMED International ICD-10 map
SNOMED_CT 402613002high
Hypermelanosis due to nutritional disorder
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
E63.9
Common synonyms
Nutritional deficiency, unspecifiedNutritional deficiency
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.