Kodex

Code

G44.40

Drug-induced headache, not elsewhere classified, not intractable

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Hierarchy

G00-G99 Diseases of the nervous system (G00-G99)
- G40-G47 Episodic and paroxysmal disorders (G40-G47)
  - G44 Other headache syndromes
    - G44.4 Drug-induced headache, not elsewhere classified
      - G44.40 Drug-induced headache, not elsewhere classified, not intractable
      - G44.41 Drug-induced headache, not elsewhere classified, intractable

Inclusion Terms

Medication overuse headache

Use Additional

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

Excludes 1

headache NOS (R51.9)
- R51.9 Headache, unspecified

Excludes 2

G50.1 Atypical facial pain
headache due to lumbar puncture (G97.1)
- G97.1 Other reaction to spinal and lumbar puncture
G43 Migraine
G50.0 Trigeminal neuralgia

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