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Home/Diagnosis/ICD-10 Coding for MTHFR Gene Mutation

ICD-10 Coding for MTHFR Gene Mutation

E72.12
O99.28

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

Also Known as:
Methylenetetrahydrofolate Reductase Deficiency
MTHFR Deficiency
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Key Information: ICD-10 Coding for MTHFR Gene Mutation

Essential facts and insights about ICD-10 Coding for MTHFR Gene Mutation

Use ICD-10 code E72.12 for methylenetetrahydrofolate reductase deficiency, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Methylenetetrahydrofolate reductase deficiency

Billable Code
E72.12
Billable

Diagnostic Criteria

clinical:
  • • Confirmed genetic mutation and elevated homocysteine
documentation:
  • • Documented genetic test results

Applicable To

  • • Confirmed MTHFR enzyme deficiency

Important Notes

  • • Ensure genetic confirmation is documented before using E72.12.

Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium

Non-Billable
O99.28
Non-Billable

Diagnostic Criteria

clinical:
  • • Pregnancy with documented MTHFR mutation complications

Applicable To

  • • Pregnancy complications due to metabolic disorders

Important Notes

  • • Ensure pregnancy complication is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

O99.28

Metabolic disorders complicating pregnancy

Use in conjunction with E72.12 when pregnancy is affected.

Frequently Asked Questions

What is the ICD-10 code for MTHFR gene mutation?

The ICD-10 code for MTHFR gene mutation is E72.12, used when the mutation is confirmed and associated with clinical symptoms.

How is MTHFR mutation coded during pregnancy?

Use O99.28 for metabolic disorders complicating pregnancy, alongside E72.12 if the mutation is confirmed.

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