Question 1

Is G43 a billable ICD-10 code?

Accepted Answer

No, G43 is not a billable code. It is a category code that requires additional specificity. You must select a more specific code from the subcategories for billing purposes.

Question 2

What does ICD-10 code G43 mean?

Accepted Answer

ICD-10-CM code G43 represents Migraine. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code G43 introduced?

Accepted Answer

Code G43 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code G43?

Accepted Answer

The parent category for G43 is section:G40-G47 (Episodic and paroxysmal disorders (G40-G47)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions are excluded from G43?

Accepted Answer

Code G43 has Type 1 Excludes (mutually exclusive conditions) including: headache NOS (R51.9); lower half migraine (G44.00). These conditions cannot be coded together with G43 as they represent different diagnoses.

Question 6

Should I use additional codes with G43?

Accepted Answer

Yes, when coding G43, consider adding codes for: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5). Additional codes provide more specificity about the patient's condition.

G432026

Excludes12Not coded together

Excludes29Not included here

Use Additional Code1Add code for detail

Notes1Additional information