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Emergency Medicine ICD-10 Cheat Sheet
56 most-used billable ICD-10-CM diagnosis codes (of 1021 common emergency medicine codes)
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- B34.9Viral infection, unspecified
- E86.0Dehydration
- F10.10Alcohol abuse, uncomplicated
- F10.120Alcohol abuse with intoxication, uncomplicated
- F32.0Major depressive disorder, single episode, mild
- F32.1Major depressive disorder, single episode, moderate
- F32.2Major depressive disorder, single episode, severe without psychotic features
- F41.1Generalized anxiety disorder
- F41.8Other specified anxiety disorders
- F41.9Anxiety disorder, unspecified
- G43.009Migraine without aura, not intractable, without status migrainosus
- G43.109Migraine with aura, not intractable, without status migrainosus
- H65.00Acute serous otitis media, unspecified ear
- H65.01Acute serous otitis media, right ear
- I48.0Paroxysmal atrial fibrillation
- J02.0Streptococcal pharyngitis
- J02.8Acute pharyngitis due to other specified organisms
- J18.8Other pneumonia, unspecified organism
- J18.9Pneumonia, unspecified organism
- J20.0Acute bronchitis due to Mycoplasma pneumoniae
- J20.1Acute bronchitis due to Hemophilus influenzae
- J39.8Other specified diseases of upper respiratory tract
- J40Bronchitis, not specified as acute or chronic
- J41.0Simple chronic bronchitis
- K02.51Dental caries on pit and fissure surface limited to enamel
- K02.52Dental caries on pit and fissure surface penetrating into dentin
- K59.00Constipation, unspecified
- K59.01Slow transit constipation
- L03.115Cellulitis of right lower limb
- L03.116Cellulitis of left lower limb
- M25.561Pain in right knee
- M25.562Pain in left knee
- M53.3Sacrococcygeal disorders, not elsewhere classified
- M79.601Pain in right arm
- M79.602Pain in left arm
- N15.9Renal tubulo-interstitial disease, unspecified
- N20.0Calculus of kidney
- N30.00Acute cystitis without hematuria
- N30.01Acute cystitis with hematuria
- R06.00Dyspnea, unspecified
- R10.0Acute abdomen
- R10.10Upper abdominal pain, unspecified
- R41.0Disorientation, unspecified
- R41.81Age-related cognitive decline
- R50.2Drug induced fever
- R50.81Fever presenting with conditions classified elsewhere
- S00.03XAContusion of scalp, initial encounter
- S00.03XDContusion of scalp, subsequent encounter
- S10.83XAContusion of other specified part of neck, initial encounter
- S10.83XDContusion of other specified part of neck, subsequent encounter
- S61.001AUnspecified open wound of right thumb without damage to nail, initial encounter
- S61.001DUnspecified open wound of right thumb without damage to nail, subsequent encounter
- S83.401ASprain of unspecified collateral ligament of right knee, initial encounter
- S83.401DSprain of unspecified collateral ligament of right knee, subsequent encounter
- S93.401ASprain of unspecified ligament of right ankle, initial encounter
- S93.401DSprain of unspecified ligament of right ankle, subsequent encounter
Excludes1 traps — never code together
- J40✗ acute bronchitis (J20.-)
- J02.8✗ acute pharyngitis due to coxsackie virus (B08.5)
- N15.9✗ urinary tract infection NOS (N39.0)
- R10.0✗ abdominal rigidity NOS (R19.3)
- R41.0✗ delirium due to known physiological condition (F05)
- R50.2✗ postvaccination (postimmunization) fever (R50.83)
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Need the full list? All 1021 common emergency medicine codes · Check a claim in the ICD-10 validator
Codes reflect the FY2026 ICD-10-CM code set. Always verify against current coding guidelines before billing.