Section
G44
Other headache syndromes
Hierarchy
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G00-G99 Diseases of the nervous system (G00-G99)
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G40-G47 Episodic and paroxysmal disorders (G40-G47)
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G44 Other headache syndromes
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G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
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G44.1 Vascular headache, not elsewhere classified
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G44.2 Tension-type headache
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G44.3 Post-traumatic headache
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G44.4 Drug-induced headache, not elsewhere classified
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G44.5 Complicated headache syndromes
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G44.8 Other specified headache syndromes
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Excludes 1
G44
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headache NOS (R51.9)
- R51.9 Headache, unspecified
Excludes 2
G44
- G50.1 Atypical facial pain
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headache due to lumbar puncture (G97.1)
- G97.1 Other reaction to spinal and lumbar puncture
- G43 Migraine
- G50.0 Trigeminal neuralgia
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certain conditions originating in the perinatal period (P04-P96)
- A00-B99 Certain infectious and parasitic diseases (A00-B99)
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complications of pregnancy, childbirth and the puerperium (O00-O9A)
- O00-O9A Pregnancy, childbirth and the puerperium (O00-O9A)
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congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
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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)
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symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)