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Home/Diagnosis/ICD-10 Coding for Metabolic Acidosis

ICD-10 Coding for Metabolic Acidosis

E87.21
E87.22

Complete ICD-10-CM coding and documentation guide for icd-10 coding for metabolic acidosis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Acidosis
Acute Metabolic Acidosis
Chronic Metabolic Acidosis
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Key Information: ICD-10 Coding for Metabolic Acidosis

Essential facts and insights about ICD-10 Coding for Metabolic Acidosis

Use ICD-10 code E87.21 for acute metabolic acidosis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Acute metabolic acidosis

Billable Code
E87.21
Billable

Diagnostic Criteria

  • • pH <7.35
  • • HCO3- <22 mmol/L
  • • Lactate ≥4 mmol/L

Applicable To

  • • Acute lactic acidosis
  • • Acute metabolic acidosis due to sepsis

Important Notes

  • • Ensure documentation specifies 'acute' and includes lab results.

Chronic metabolic acidosis

Billable Code
E87.22
Billable

Diagnostic Criteria

  • • HCO3- <22 mmol/L on ≥2 occasions
  • • Normal anion gap

Applicable To

  • • Chronic metabolic acidosis due to renal failure

Important Notes

  • • Ensure documentation specifies 'chronic' and includes lab results.
Ancillary Codes

Additional codes that may be used with this diagnosis

A41.9

Sepsis, unspecified organism

Use as primary code when sepsis is the underlying cause.

N18.4

Chronic kidney disease, stage 4

Use as primary code when CKD is the underlying cause.

Frequently Asked Questions

What is the ICD-10 code for acute metabolic acidosis?

The ICD-10 code for acute metabolic acidosis is E87.21, used when acute symptoms and specific lab findings are documented.

How do you code chronic metabolic acidosis?

Chronic metabolic acidosis is coded as E87.22, requiring documentation of chronic symptoms and persistent lab findings.

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