Instruction Source: G43.C1
Periodic headache syndromes in child or adult, intractable
Instruction Source: G43.C
Periodic headache syndromes in child or adult
Instruction Source: G43
Migraine
Excludes 1 (Mutually Exclusive)
- lower half migraine (G44.00)
Excludes 2 (Not Included Here)
- headache NOS (R51.9)
- headache syndromes (G44.-)
Clinical Notes
- the following terms are to be considered equivalent to intractable: pharmacoresistant (pharmacologically resistant), treatment resistant, refractory (medically) and poorly controlled
Instruction Source: G40-G47
Episodic and paroxysmal disorders (G40-G47)
Instruction Source: G00-G99
Diseases of the nervous system
Excludes 2 (Not Included Here)
- 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)