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

G44.001 – Cluster headache syndrome, unspecified, intractable

Overview

Coding Notes

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Billable, valid for HIPAA-covered transactions

GEM Conversion to ICD-9 CM

Fs: 10000 – Cluster headache syndrome, unspecified

MDC / MS-DRG Reference

HEADACHES WITH MCC
HEADACHES WITHOUT MCC

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Sibling Codes

Cluster headache syndrome, unspecified, not intractable

Parent Sibling Codes

Cluster headache syndrome, unspecified
Episodic cluster headache
Chronic cluster headache
Episodic paroxysmal hemicrania
Chronic paroxysmal hemicrania
Short lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT)
Other trigeminal autonomic cephalgias (TAC)

Codes with Same Suffix

Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, not intractable, with status epilepticus
Migraine without aura, not intractable, with status migrainosus
Unspecified blepharitis right upper eyelid
Unspecified entropion of right upper eyelid
Unspecified dacryoadenitis, right lacrimal gland
Unspecified pterygium of right eye
Unspecified scleritis, right eye
Unspecified corneal ulcer, right eye
Unspecified corneal deposit, right eye
Unspecified infantile and juvenile cataract, right eye
Unspecified focal chorioretinal inflammation, right eye
Unspecified chorioretinal scars, right eye
Unspecified retinal detachment with retinal break, right eye
Preglaucoma, unspecified, right eye
Unspecified purulent endophthalmitis, right eye
Unspecified amblyopia, right eye
Unspecified perichondritis of right external ear
Acute suppurative otitis media without spontaneous rupture of ear drum, right ear
Unspecified Eustachian salpingitis, right ear
Acute mastoiditis without complications, right ear
Acute myringitis, right ear
Varicose veins of unspecified lower extremity with ulcer of thigh
Postthrombotic syndrome without complications of right lower extremity
Pressure ulcer of unspecified elbow, stage 1
Unspecified deformity of right finger(s)
Cystic meniscus, unspecified lateral meniscus, left knee
Infective myositis, unspecified left arm
Unspecified slipped upper femoral epiphysis (nontraumatic), right hip
Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester
Premature separation of placenta with coagulation defect, unspecified, first trimester
Antepartum hemorrhage with coagulation defect, unspecified, first trimester
Unspecified nondisplaced fracture of first cervical vertebra
Unspecified injury of right carotid artery
Unspecified open wound of right breast
Stable burst fracture of unspecified thoracic vertebra
Unspecified injury of muscle and tendon of front wall of thorax
Unspecified open wound of lower back and pelvis with penetration into retroperitoneum
Stable burst fracture of unspecified lumbar vertebra
Unspecified injury of right kidney
Crushing injury of unspecified external genital organs, male
Unspecified injury of muscle, fascia and tendon of abdomen
Unspecified open wound of right shoulder
Fracture of unspecified part of right clavicle
Unspecified subluxation of right shoulder joint
Unspecified injury of axillary artery, right side
Unspecified injury of muscle(s) and tendon(s) of the rotator cuff of right shoulder
Unspecified physeal fracture of upper end of humerus, right arm
Unspecified open wound of right elbow
Unspecified fracture of upper end of right ulna
Unspecified subluxation of right radial head
Unspecified injury of ulnar artery at forearm level, right arm
Unspecified injury of flexor muscle, fascia and tendon of right thumb at forearm level
Unspecified physeal fracture of lower end of ulna, right arm
Unspecified open wound of right thumb without damage to nail
Unspecified fracture of navicular [scaphoid] bone of right wrist
Unspecified subluxation of right wrist and hand
Unspecified injury of ulnar artery at wrist and hand level of right arm
Unspecified injury of long flexor muscle, fascia and tendon of right thumb at wrist and hand level
Unspecified open wound, right hip
Fracture of unspecified part of neck of right femur
Unspecified subluxation of right hip
Unspecified injury of femoral artery, right leg
Unspecified injury of muscle, fascia and tendon of right hip
Unspecified physeal fracture of upper end of right femur
Unspecified open wound, right knee
Unspecified fracture of right patella
Unspecified subluxation of right patella
Unspecified injury of popliteal artery, right leg
Unspecified injury of right Achilles tendon
Unspecified physeal fracture of upper end of right tibia
Unspecified open wound, right ankle
Unspecified fracture of right calcaneus
Unspecified injury of dorsal artery of right foot
Unspecified injury of muscle and tendon of long flexor muscle of toe at ankle and foot level, right foot
Unspecified physeal fracture of right calcaneus
Burn of unspecified degree of right hand, unspecified site
Burn of unspecified degree of unspecified site of right lower limb, except ankle and foot
Toxic effect of unspecified snake venom, accidental (unintentional)
Legal intervention involving unspecified firearm discharge, law enforcement official injured
War operations involving explosion of unspecified marine weapon, civilian
Military operations involving explosion of unspecified marine weapon, civilian
Dining room of unspecified non-institutional (private) residence as the place of occurrence of the external cause
Encounter for fitting and adjustment of unspecified right artificial arm
Unspecified donor, stem cells
Personal history of in-situ neoplasm of cervix uteri

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
G44.0 Cluster headaches and other trigeminal autonomic cephalgias (TAC)
G44.00 Cluster headache syndrome, unspecified
G44.001 Cluster headache syndrome, unspecified, intractable