ICD-10 code M04.9: Autoinflammatory syndrome, unspecified
ICD-10 code M04.9 designates autoinflammatory syndrome, unspecified, the terminal code within the M04 category of ICD-10-CM Chapter 13. This guide covers the code’s clinical definition, its place in the M04 hierarchy, the sub-codes it gets confused with, and the documentation payers expect to see on a claim. Because M04.9 is a catch-all designation, coding it […]
ICD-10 code H81.4: Vertigo of central origin guide
ICD-10 code H81.4 designates Vertigo of central origin, a vestibular disorder arising from dysfunction in the central nervous system rather than the inner ear. It belongs to ICD-10-CM Chapter 8 (Diseases of the ear and mastoid process, H60-H95), block H80-H83 (Diseases of inner ear), category H81 (Disorders of vestibular function). According to the CDC/NCHS ICD-10-CM […]
ICD-10 code H40.9: Unspecified glaucoma billable guide
H40.9 is the ICD-10-CM code for glaucoma, unspecified, the code coders assign when a chart confirms glaucoma but the type is not yet documented. It carries no stage digit and no laterality qualifier, so unspecified glaucoma in the right eye, left eye, or both eyes all report to the same code. Knowing when a more […]
ICD-10 Code H53.8: Other visual disturbances
ICD-10 code H53.8 covers other visual disturbances. Learn when to use it, documentation requirements, CPT pairings, and how it differs from H53.9.
ICD-10 Code H57.89: Other specified disorders of eye and adnexa
H57.89 is the billable ICD-10-CM code for other specified disorders of eye and adnexa. Learn correct use, documentation requirements, and how it differs from H57.8 and H57.9.
ICD-10 Code S59.219A: Salter-Harris Type I physeal fracture
ICD-10 Code S59.219A is the billable code for a Salter-Harris Type I physeal fracture of the lower end of the radius, unspecified arm, initial encounter for closed fracture. Coders reach for it when the distal radius growth plate is fractured but the record does not state which arm. When the chart does document the side, […]
ICD-10 code S42.211P: Humerus fracture malunion coding guide
ICD-10 code S42.211P: Definition and clinical description ICD-10 code S42.211P is the billable code for a right proximal humerus fracture — an unspecified displaced fracture of the surgical neck of the right humerus — at a subsequent encounter where the fracture has resulted in malunion. It belongs to the S42.2 category (fracture of upper end […]
ICD-10 Code S31.106D: Right flank abdominal wound
ICD-10 Code S31.106D: Code description and clinical definition ICD-10 Code S31.106D is a billable ICD-10-CM code for an unspecified open wound of the abdominal wall, right flank, without penetration into the peritoneal cavity, at a subsequent encounter. It applies at follow-up visits once definitive trauma care is complete and the wound is in the healing […]
ICD-10 Code M62.9: Disorder of muscle, unspecified
ICD-10 Code M62.9 (Disorder of muscle, unspecified) is the billable code for a muscle disorder that’s confirmed on exam but not documented precisely enough to assign a more specific M62 subcategory. This reference covers the code’s hierarchy, official synonyms and exclusions, documentation requirements, the ICD-9 crosswalk, and how to choose between M62.9 and the codes […]
ICD-10 code I06.9: Rheumatic aortic valve disease
ICD-10 code I06.9: Definition and clinical description ICD-10 code I06.9 is a billable FY2026 diagnosis code for rheumatic aortic valve disease, unspecified. It sits within the I00-I99 chapter (Diseases of the circulatory system) under the I05-I09 block covering chronic rheumatic heart diseases. Rheumatic aortic valve disease arises as a sequela of acute rheumatic fever. The […]