G43

Migraine

Non-billable header

G43 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Note: the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled

Not coded here — never report together with this code.

Not included here — may be reported together when both conditions exist.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
headache NOS (R51.9)
headache syndromes (G44.-)

Add a code to identify the following, if applicable.

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)