ICD Code E87.22

ICD code E87.22 is chronic metabolic acidosis, a long-term condition where the body produces too much acid or the kidneys are unable to remove enough acid from the body.

1. Presence of a persistently low serum bicarbonate level (<22 mEq/L) on repeated laboratory testing

2. Evidence of a primary decrease in systemic bicarbonate concentration not attributable to acute or transient causes

3. Clinical symptoms such as chronic fatigue, muscle weakness, bone pain, or growth retardation (in pediatric patients)

4. Underlying chronic conditions known to cause metabolic acidosis, such as chronic kidney disease, renal tubular acidosis, or chronic diarrhea

5. Exclusion of acute metabolic acidosis or other acute acid-base disturbances

6. Duration of metabolic acidosis symptoms and laboratory findings for at least several weeks or longer

Relevant CPT codes that may be used to treat ICD code E87.22 include:

- 36415: Collection of venous blood by venipuncture

- 80051: Electrolyte panel

- 80053: Comprehensive metabolic panel

- 82803: Blood gases, any combination of pH, pCO2, pO2, CO2, HCO3 (including calculation of O2 saturation)

- 84132: Potassium; serum, plasma

- 84155: Protein, total, except by refractometry; serum, plasma or whole blood

- 84295: Sodium; serum, plasma or whole blood

- 84520: Urea nitrogen; quantitative

- 84550: Uric acid; serum, plasma or whole blood

- 96365: Intravenous infusion, for therapy, prophylaxis, or diagnosis (specify substance or drug); initial, up to 1 hour

- 96372: Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular

These CPT codes are commonly associated with the evaluation and management of chronic metabolic acidosis (E87.22).

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