E71.120
Billable

Methylmalonic acidemia

Billable / Specific Code

What is Methylmalonic acidemia?

ICD-10-CM E71.120 is the diagnosis code for Methylmalonic acidemia. This code falls under the section "Metabolic disorders" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for E71.120

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where E71.120 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is E71.120 a billable ICD-10-CM code?

Yes, E71.120 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does E71.120 mean?

E71.120 is the ICD-10-CM diagnosis code for "Methylmalonic acidemia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E71.120?

The parent code of E71.120 is E71.12 ("Disorders of propionate metabolism"). E71.120 provides a more specific classification within this category.

What section is E71.120 in?

E71.120 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.

When should I use E71.120?

Use E71.120 when the patients documented diagnosis matches "Methylmalonic acidemia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Methylmalonic acidemia?

The ICD-10-CM code for Methylmalonic acidemia is E71.120.

Can E71.120 be used for primary diagnosis?

Yes, E71.120 can be used as a primary diagnosis code since it is billable and specific.

What chapter is E71.120 in?

E71.120 is in Chapter 4 of the ICD-10-CM Tabular List.

Is E71.120 valid for 2026?

Yes, E71.120 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE71.12Disorders of propionate metabolismNext →E71.121Propionic acidemia
Code Details
E71.120
Methylmalonic acidemia
Billable / Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88 — Metabolic disorders
2026 ICD-10-CM