ICD-10 Code F05: Delirium due to known physiological condition
ICD-10 Code F05 describes delirium due to a known physiological condition, and it is one of the most frequently undercoded diagnoses in inpatient and post-acute settings. Delirium goes unrecognized in a majority of cases, and when it is documented, incorrect code selection leads to claim denials and audit risk. Dementia codes like F02.80 share similar […]
ICD-10 Code S92.042G: Calcaneus Fracture Coding Guide
ICD-10 Code S92.042G is a billable ICD-10-CM code for a displaced other fracture of the tuberosity of the left calcaneus, subsequent encounter for fracture with delayed healing. It applies once the fracture’s initial treatment phase has ended and imaging shows healing progressing more slowly than expected, distinct from routine healing (D), nonunion (K), or malunion […]
ICD-10 Code M24.9: Joint derangement, unspecified
Most unspecified joint complaints end up coded as M24.9 by default, but that habit costs practices. Payers scrutinise unspecified codes, and a routine audit can flip a clean claim into a denial when documentation doesn’t justify the “NOS” designation. ICD-10 Code M24.9 is a legitimate, billable code when documentation genuinely cannot identify a more specific […]
ICD-10 Code D34: Benign neoplasm of thyroid gland
ICD-10 Code D34 is the billable diagnosis code for benign neoplasm of thyroid gland. It covers the non-cancerous thyroid growths coders classify as thyroid adenoma or follicular adenoma, distinct from C73, the malignant thyroid code. This reference covers billable status, the conditions that map to D34, the codes not to confuse it with, the ICD-9 […]
ICD-10 Code T31.94: Burns involving 90% or more of body surface
T31.94 identifies burns covering 90% or more of total body surface area (TBSA), with 40-49% of that area classified as third-degree (full-thickness). ICD-10 Code T31.94 is a billable diagnosis code for burns covering 90% or more of total body surface area (TBSA), with 40-49% of that area classified as third-degree. It belongs to the T31 […]
ICD-10 code S63.400A: right index finger ligament rupture
ICD-10 code S63.400A identifies a traumatic rupture of an unspecified ligament of the right index finger at the metacarpophalangeal and interphalangeal joint, initial encounter. It’s a billable code coders reach for when the chart confirms a complete ligament tear but doesn’t name the specific ligament involved. Getting the laterality, digit, and encounter-type details right in […]
ICD-10 code M14.88: Arthropathies in other specified diseases, vertebrae
ICD-10 code M14.88 is a billable ICD-10-CM code for arthropathy of the vertebrae that develops as a manifestation of another classified disease. It sits in the M14.8- subcategory, and it can’t be used alone. The underlying disease must be coded first, with M14.88 added second as the manifestation. Getting the sequence right matters more here […]
ICD-10 Code I5A: Non-ischemic myocardial injury
ICD-10 Code I5A at a glance ICD-10 Code I5A: Non-ischemic myocardial injury (non-traumatic) is a billable ICD-10-CM code for cardiac troponin elevation driven by causes like sepsis, renal failure, or chemotherapy rather than obstructive coronary disease. CMS and the NCHS added it effective October 1, 2021 (FY2022). Before I5A existed, practices often defaulted to unspecified […]
ICD-10 code S63.002D: left wrist subluxation guide
ICD-10 code S63.002D: Definition and billable status ICD-10 code S63.002D designates an unspecified subluxation of the left wrist and hand at a subsequent encounter. It is a billable ICD-10-CM diagnosis code, valid for reimbursement in FY2026 under the current edition effective October 1, 2025. By contrast, the parent code, S63.002, is non-billable on its own. […]
ICD-10 Code M96.5: Understanding postradiation scoliosis
ICD-10 Code M96.5 is the billable ICD-10-CM code for postradiation scoliosis, a lateral spinal curvature caused by prior radiation therapy. Coders frequently default to idiopathic scoliosis codes from the M41 block instead, even when the chart clearly documents a post-radiation cause. Using M96.5 correctly requires a causal documentation trail linking the scoliosis directly to prior […]