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Home/Diagnosis/ICD-10 Coding for High Anion Gap Metabolic Acidosis

ICD-10 Coding for High Anion Gap Metabolic Acidosis

E87.21
E87.22

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

Also Known as:
HAGMA
High AG Metabolic Acidosis
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Key Information: ICD-10 Coding for High Anion Gap Metabolic Acidosis

Essential facts and insights about ICD-10 Coding for High Anion Gap 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

  • • Anion gap >12
  • • pH <7.35
  • • HCO3- <22 mEq/L

Applicable To

  • • Acute high anion gap metabolic acidosis

Important Notes

  • • Ensure documentation specifies 'acute' and the underlying cause.

Chronic metabolic acidosis

Billable Code
E87.22
Billable

Diagnostic Criteria

  • • Persistent anion gap >12
  • • Chronic low bicarbonate levels

Applicable To

  • • Chronic high anion gap metabolic acidosis

Important Notes

  • • Clarify chronicity in documentation.
Ancillary Codes

Additional codes that may be used with this diagnosis

T51.1X1A

Methanol toxicity

Use when HAGMA is due to methanol ingestion.

N18.6

End stage renal disease

Use when chronic HAGMA is due to ESRD.

Frequently Asked Questions

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

The ICD-10 code for acute high anion gap metabolic acidosis is E87.21. It is used when the condition is acute and not integral to another diagnosis.

When should E87.21 be used in coding?

E87.21 should be used when documenting acute high anion gap metabolic acidosis, ensuring it is not part of another condition like septic shock.

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