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E87.6 — Hypokalemia
E87.6
What this code means
Hypokalaemia is a lower-than-normal potassium level in the blood, which can cause weakness and rhythm problems.
Also called: hypokalemia, low potassium.
When this code is used
Used for hypokalaemia.
Where it sits in ICD-10-CM
Code E87.6 belongs to Chapter 4: Endocrine, nutritional and metabolic diseases, which covers codes E00–E89 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Watch: related videos
Frequently asked questions
What is ICD-10-CM code E87.6?
E87.6 is the ICD-10-CM diagnosis code for “Hypokalemia”. Hypokalaemia is a lower-than-normal potassium level in the blood, which can cause weakness and rhythm problems.
When is code E87.6 used?
Used for hypokalaemia. It belongs to Chapter 4 of ICD-10-CM (Endocrine, nutritional and metabolic diseases).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.