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

G44.019 – Episodic cluster headache, not intractable

Overview

Coding Notes

Active
Billable, valid for HIPAA-covered transactions

Applicable To

Episodic cluster headache NOS

GEM Conversion to ICD-9 CM

Fs: 10000 – Episodic cluster headache

MDC / MS-DRG Reference

HEADACHES WITH MCC
HEADACHES WITHOUT MCC

Back Reference of Diagnostic Codes


Sibling Codes

Episodic cluster headache, 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

Malignant neoplasm of nipple and areola, unspecified female breast
Malignant carcinoid tumor of the small intestine, unspecified portion
Benign carcinoid tumor of the small intestine, unspecified portion
Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable, without status epilepticus
Migraine without aura, intractable, without status migrainosus
Hordeolum externum unspecified eye, unspecified eyelid
Ulcerative blepharitis unspecified eye, unspecified eyelid
Cicatricial entropion of unspecified eye, unspecified eyelid
Acute dacryoadenitis, unspecified lacrimal gland
Cellulitis of unspecified orbit
Acute follicular conjunctivitis, unspecified eye
Amyloid pterygium of unspecified eye
Anterior scleritis, unspecified eye
Central corneal ulcer, unspecified eye
Anterior corneal pigmentations, unspecified eye
Primary iridocyclitis, unspecified eye
Cortical age-related cataract, unspecified eye
Infantile and juvenile cortical, lamellar, or zonular cataract, unspecified eye
Focal chorioretinal inflammation, juxtapapillary, unspecified eye
Macula scars of posterior pole (postinflammatory) (post-traumatic), unspecified eye
Retinal detachment with single break, unspecified eye
Changes in retinal vascular appearance, unspecified eye
Open angle with borderline findings, low risk, unspecified eye
Panophthalmitis (acute), unspecified eye
Ischemic optic neuropathy, unspecified eye
Deprivation amblyopia, unspecified eye
Keratopathy (bullous aphakic) following cataract surgery, unspecified eye
Acute perichondritis of external ear, unspecified ear
Acute suppurative otitis media with spontaneous rupture of ear drum, unspecified ear
Acute Eustachian salpingitis, unspecified ear
Subperiosteal abscess of mastoid, unspecified ear
Bullous myringitis, unspecified ear
Transient ischemic deafness, unspecified ear
Cerebral infarction due to thrombosis of unspecified vertebral artery
Unspecified symptoms and signs involving cognitive functions following nontraumatic subarachnoid hemorrhage
Atheroembolism of unspecified upper extremity
Varicose veins of right lower extremity with ulcer of unspecified site
Postthrombotic syndrome with ulcer of unspecified lower extremity
Crohn's disease of small intestine with unspecified complications
Ulcerative (chronic) pancolitis with unspecified complications
Acute (reversible) ischemia of small intestine, extent unspecified
Cellulitis of unspecified finger
Pressure ulcer of right elbow, unspecified stage
Staphylococcal arthritis, unspecified shoulder
Arthropathy following intestinal bypass, unspecified shoulder
Felty's syndrome, unspecified shoulder
Rheumatoid arthritis without rheumatoid factor, unspecified shoulder
Unspecified juvenile rheumatoid arthritis, unspecified shoulder
Idiopathic gout, unspecified shoulder
Hydroxyapatite deposition disease, unspecified shoulder
Chronic postrheumatic arthropathy [Jaccoud], unspecified shoulder
Primary osteoarthritis, unspecified shoulder
Idiopathic chronic gout, unspecified shoulder
Mallet finger of unspecified finger(s)
Cystic meniscus, anterior horn of medial meniscus, unspecified knee
Loose body in unspecified shoulder
Hemarthrosis, unspecified shoulder
Anterior spinal artery compression syndromes, site unspecified
Infective myositis, unspecified shoulder
Myositis ossificans traumatica, unspecified shoulder
Separation of muscle (nontraumatic), unspecified shoulder
Abscess of tendon sheath, unspecified shoulder
Abscess of bursa, unspecified shoulder
Age-related osteoporosis with current pathological fracture, unspecified shoulder
Fibrous dysplasia (monostotic), unspecified shoulder
Acute hematogenous osteomyelitis, unspecified shoulder
Idiopathic aseptic necrosis of unspecified shoulder
Algoneurodystrophy, unspecified shoulder
Pre-existing essential hypertension complicating pregnancy, unspecified trimester
Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester
Twin pregnancy, monochorionic/monoamniotic, unspecified trimester
Maternal care for anti-D [Rh] antibodies, unspecified trimester
Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester
Fetomaternal placental transfusion syndrome, unspecified trimester
Premature separation of placenta with afibrinogenemia, unspecified trimester
Antepartum hemorrhage with afibrinogenemia, unspecified trimester
Air embolism in pregnancy, unspecified trimester
Infection of nipple associated with pregnancy, unspecified trimester
Retracted nipple associated with pregnancy, unspecified trimester
Tuberculosis complicating pregnancy, unspecified trimester
Anemia complicating pregnancy, unspecified trimester
Injury of optic nerve, unspecified eye
Unspecified open wound of larynx
Minor laceration of unspecified carotid artery
Laceration without foreign body of unspecified breast
Unspecified fracture of first thoracic vertebra
Strain of muscle and tendon of unspecified wall of thorax
Unspecified fracture of first lumbar vertebra
Minor contusion of unspecified kidney
Contusion of unspecified shoulder
Laceration without foreign body of unspecified shoulder
Nondisplaced fracture of sternal end of unspecified clavicle
Laceration of axillary artery, unspecified side
Strain of muscle(s) and tendon(s) of the rotator cuff of unspecified shoulder
Complete traumatic amputation at unspecified shoulder joint
Salter-Harris Type I physeal fracture of upper end of humerus, unspecified arm
Laceration without foreign body of unspecified elbow
Torus fracture of upper end of unspecified ulna
Laceration of ulnar artery at forearm level, unspecified arm
Strain of flexor muscle, fascia and tendon of unspecified thumb at forearm level
Complete traumatic amputation at elbow level, unspecified arm
Salter-Harris Type I physeal fracture of lower end of ulna, unspecified arm
Contusion of unspecified thumb without damage to nail
Laceration without foreign body of unspecified thumb without damage to nail
Laceration of ulnar artery at wrist and hand level of unspecified arm
Strain of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
Complete traumatic metacarpophalangeal amputation of unspecified thumb
Laceration without foreign body, unspecified hip
Unspecified intracapsular fracture of unspecified femur
Minor laceration of femoral artery, unspecified leg
Strain of muscle, fascia and tendon of unspecified hip
Complete traumatic amputation at unspecified hip joint
Salter-Harris Type I physeal fracture of upper end of unspecified femur
Laceration without foreign body, unspecified knee
Laceration of popliteal artery, unspecified leg
Strain of unspecified Achilles tendon
Complete traumatic amputation at knee level, unspecified lower leg
Salter-Harris Type I physeal fracture of upper end of unspecified tibia
Laceration without foreign body, unspecified ankle
Laceration of dorsal artery of unspecified foot
Strain of muscle and tendon of long flexor muscle of toe at ankle and foot level, unspecified foot
Complete traumatic amputation of unspecified foot at ankle level
Salter-Harris Type I physeal fracture of unspecified calcaneus
Burn of unspecified degree of unspecified ear [any part, except ear drum]
Burn of unspecified degree of unspecified forearm
Burn of unspecified degree of unspecified thumb (nail)
Burn of unspecified degree of unspecified thigh
Burn of unspecified degree of unspecified ankle
Superficial frostbite of unspecified ear
Frostbite with tissue necrosis of unspecified ear
Immersion hand, unspecified hand
Broken internal joint prosthesis, unspecified site
Legal intervention involving injury by machine gun, unspecified person injured
Unspecified place in single-family (private) house as the place of occurrence of the external cause
Encounter for initial prescription of contraceptives, unspecified
Encounter for fitting and adjustment of complete artificial arm, unspecified arm
Acquired absence of unspecified thumb

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)
G44.01 Episodic cluster headache
G44.019 Episodic cluster headache, not intractable
Applicable to
Episodic cluster headache NOS