ICD-10 Code I44.0: Atrioventricular block, first degree

ICD-10 Code I44.0 is the billable ICD-10-CM diagnosis code for atrioventricular block, first degree, a conduction delay in which the PR interval on ECG consistently exceeds 200 milliseconds while every impulse still reaches the ventricles. Coders flag this code as a frequent source of denials, usually traced to missing physician interpretation, an undocumented PR interval […]
ICD-10 Code I71.9: Aortic aneurysm of unspecified site, without rupture

ICD-10 Code I71.9 is a billable diagnosis code for aortic aneurysm of unspecified site, without rupture. Use it only when the provider’s documentation does not name the anatomic site — thoracic, abdominal, or thoracoabdominal — since a more specific code takes precedence whenever the site is known. Claims management software that surfaces the documented site […]
ICD-10 Code I52: Other heart disorders in diseases classified elsewhere

ICD-10 Code I52 is the billable ICD-10-CM diagnosis code for other heart disorders occurring as a manifestation of a disease classified elsewhere in the tabular list. Unlike many three-character categories, I52 does not split into child codes – it is complete and billable at the three-character level. Sequencing trips up coders more often than a […]
ICD-10 Code O21.2: Late vomiting of pregnancy

ICD-10 Code O21.2 is a billable ICD-10-CM diagnosis code for late vomiting of pregnancy. It applies to vomiting occurring after 20 completed weeks of gestation that does not meet the clinical criteria for hyperemesis gravidarum. Getting that distinction right in the medical record is where accurate billing begins. O21.2 code details at a glance The […]
ICD-10 Code H90.2: Conductive hearing loss, unspecified

H90.2 is the ICD-10 code for conductive hearing loss when laterality isn’t documented. Use H90.0 or H90.1x if the ear is specified.
ICD-10 Code H90.5: Unspecified sensorineural hearing loss

ICD-10 Code H90.5 is the billable ICD-10-CM diagnosis code for unspecified sensorineural hearing loss. It applies when documentation confirms the loss is sensorineural but does not record laterality – bilateral, left-only, or right-only. It covers what coders often see labeled sensorineural deafness NOS (not otherwise specified), and it is valid for HIPAA-covered transactions in the […]
ICD-10 Code H47.43: Disorders of optic chiasm due to vascular disorders

ICD-10 Code H47.43 is the billable ICD-10-CM diagnosis code for disorders of optic chiasm in (due to) vascular disorders. Ophthalmology and optometry coders assign it when vascular disease is the documented cause of an optic chiasm disorder. The code carries a “Code Also” note directing coders to also report the underlying vascular condition, but ICD-10-CM […]
ICD-10 Code M72.0: Palmar fascial fibromatosis (Dupuytren’s contracture)

ICD-10 Code M72.0: Definition, billability, and FY2026 status ICD-10 Code M72.0 is the correct and only billable code for palmar fascial fibromatosis (Dupuytren’s contracture) in the current ICD-10-CM system. The documentation mistakes that most often trigger claim denials on these charts are: According to the CMS ICD-10-CM annual update, ICD-10 Code M72.0 became effective October […]
ICD-10 Code M10.9: Gout, unspecified

ICD-10 Code M10.9 (Gout, unspecified) is a valid, billable ICD-10-CM diagnosis code for FY2026, effective October 1, 2025. According to the CDC/NCHS ICD-10-CM web tool, the code applies when a provider diagnoses gout but cannot specify the type or the affected joint site. Gout is one of the most common forms of inflammatory arthritis in […]
ICD-10 Code M83.3: Adult osteomalacia due to malnutrition

ICD-10 code M83.3 is the billable code for adult osteomalacia due to malnutrition, a bone-softening condition caused by inadequate dietary intake of vitamin D, calcium, or phosphate. Coders default to the less specific M83.9 when documentation doesn’t explicitly name malnutrition as the cause, even when M83.3 is clearly supported. This reference covers M83.3’s billable status, […]