ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

G44.53 – Primary thunderclap headache

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

339.43

Fs: 00000 – Primary thunderclap headache

MDC / MS-DRG Reference

DRG 102

HEADACHES WITH MCC

DRG 103

HEADACHES WITHOUT MCC

Back Reference of Diagnostic Codes

Headache R51.9

primary

thunderclap G44.53

thunderclap (primary) G44.53

Sibling Codes

G44.51

Hemicrania continua

G44.52

New daily persistent headache (NDPH)

G44.59

Other complicated headache syndrome

Parent Sibling Codes

G44.0

Cluster headaches and other trigeminal autonomic cephalgias (TAC)

G44.1

Vascular headache, not elsewhere classified

G44.2

Tension-type headache

G44.3

Post-traumatic headache

G44.4

Drug-induced headache, not elsewhere classified

G44.5

Complicated headache syndromes

G44.8

Other specified headache syndromes

View in Tabular

Code	Title
G00-G99	Diseases of the nervous system (G00-G99)
G40-G47	Episodic and paroxysmal disorders (G40-G47)
G44	Other headache syndromes
G44.5	Complicated headache syndromes
G44.53	Primary thunderclap headache