Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Also covers
- Potassium [K] deficiency
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- diabetes insipidus (E23.2)
- electrolyte imbalance associated with hyperemesis gravidarum (O21.1)
- electrolyte imbalance following ectopic or molar pregnancy (O08.5)
- familial periodic paralysis (G72.3)
- metabolic acidemia in newborn, unspecified (P19.9)
- androgen insensitivity syndrome (E34.5-)
- congenital adrenal hyperplasia (E25.0)
- hemolytic anemias attributable to enzyme disorders (D55.-)
- Marfan syndrome (Q87.4-)
- 5-alpha-reductase deficiency (E29.1)
Excludes2
Not part of this code, but both can be coded when both are documented.
- Ehlers-Danlos syndromes (Q79.6-)
Related codes
E87.29Other acidosis ICD-10-CME87.3Alkalosis ICD-10-CME87.4Mixed disorder of acid-base balance ICD-10-CME87.5Hyperkalemia ICD-10-CME87.70Fluid overload, unspecified ICD-10-CME87.71Transfusion associated circulatory overload ICD-10-CME87.79Other fluid overload ICD-10-CME87.8Other disorders of electrolyte and fluid balance, not elsewhere classified ICD-10-CM
Common questions
Is E87.6 a billable code?
Yes. E87.6 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.