ICD-10-CM 2027
ICD-10 code for Ascorbic acid deficiency
From the official ICD-10-CM alphabetic index entry “Deficiency, deficient › ascorbic acid”. Page updated September 29, 2026.
About coding Ascorbic acid deficiency
The ICD-10-CM code for Ascorbic acid deficiency is E54 (Ascorbic acid deficiency).
Don't report E54 together with the conditions in its Excludes1 note: scorbutic anemia (D53.2) and sequelae of vitamin C deficiency (E64.2).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 640 (Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC, relative weight 1.3395) and DRG 641 (Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC, relative weight 0.7865), in MDC 10 (Endocrine, Nutritional and Metabolic Diseases and Disorders), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Don't confuse with (Excludes1 for E54)
Common questions about Ascorbic acid deficiency ICD-10 codes
What is the ICD-10 code for Ascorbic acid deficiency?
- E54 — Ascorbic acid deficiency.
Is E54 billable?
- Yes. E54 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can E54 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict E54 as a principal diagnosis.
Is E54 a CC or MCC?
- No. E54 is neither a CC nor an MCC under MS-DRG v44.0.