Code
Hierarchy
-
G00-G99 Diseases of the nervous system (G00-G99)
-
G40-G47 Episodic and paroxysmal disorders (G40-G47)
-
G44 Other headache syndromes
-
G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
-
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
-
G44.4 Drug-induced headache, not elsewhere classified
-
G44.5 Complicated headache syndromes
-
G44.8 Other specified headache syndromes
-
-
-
Excludes 1
Excludes 2
G44.1
-
cluster headache (G44.0)
- G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
- G44.5 Complicated headache syndromes
-
drug-induced headache (G44.4-)
- G44.4 Drug-induced headache, not elsewhere classified
- G43 Migraine
- G44.8 Other specified headache syndromes
- G44.3 Post-traumatic headache
- G44.2 Tension-type headache
- 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)