ICD-10 code S42.489P: Torus fracture with malunion (FY2026)

S42.489P is billable for a follow-up torus fracture of the lower humerus that healed with malunion. Valid through September 30, 2026.
ICD-10 Code M66.9: Spontaneous rupture of unspecified tendon

M66.9 covers spontaneous tendon rupture when the notes name no site or side. Use it only after a provider query comes back empty.
ICD-10 Code L85.3: Xerosis cutis diagnosis and billing guide

L85.3 is the billable ICD-10-CM code for xerosis cutis. The note must name body site, severity, and any systemic cause.
ICD-10 code S42.126S: Nondisplaced acromial fracture sequela

ICD-10 code S42.126S is a billable diagnosis code for a nondisplaced fracture of the acromial process, unspecified shoulder, sequela. The 7th character S tells the payer that the fracture has healed and the visit is about what it left behind. The code is valid for submission in FY2025 and FY2026 under the CMS ICD-10-CM code […]
ICD-10 Code M43.9: Deforming dorsopathy, unspecified

ICD-10 code M43.9 is the billable diagnosis code for deforming dorsopathy, unspecified. It applies when the record documents a structural spinal deformity without naming which one. The code took effect on October 1, 2025 under the 2026 ICD-10-CM edition. This reference covers its classification, the M43 subcategories that outrank it, the documentation payers expect, and […]
ICD-10 code Q00.2: Iniencephaly coding and DRG grouping

ICD-10 code Q00.2 is the billable ICD-10-CM code for iniencephaly, a rare neural tube defect. Specifically, its hallmark is extreme retroflexion of the head combined with distortion and fusion of the cervical vertebrae. In particular, that combination is what separates it from sibling codes Q00.0 and Q00.1. In short, this reference covers billable status, HIPAA […]
ICD-10 Code M36.2: Hemophilic arthropathy

ICD-10 Code M36.2 is the billable diagnosis code for hemophilic arthropathy, the joint disease caused by repeated bleeding in hemophilia. It carries a Code first note, which makes the underlying hemophilia code mandatory and puts it ahead of M36.2 on the claim. Coders who treat that order as flexible, or who reach for M36.3 instead, […]
ICD-10 Code O28.2: Abnormal cytological finding

ICD-10 Code O28.2: definition, billable status, and FY2026 validity ICD-10 Code O28.2 is a billable diagnosis code for an abnormal cytological finding on antenatal screening of mother. It reports the abnormal result found during screening, while a Z36 code reports the screening encounter itself. O28.2 is a valid ICD-10-CM code for fiscal year 2026. It […]
ICD-10 Code O20.0: Threatened abortion

ICD-10 code O20.0 is the billable diagnosis for threatened abortion. It applies when a patient bleeds vaginally before 20 weeks of gestation, the cervical os is closed, and the pregnancy is still viable. All three findings have to be documented together at the same encounter. The code sits in the O20 block, hemorrhage in early […]
ICD-10 code M91.91: Juvenile osteochondrosis of hip and pelvis

ICD-10 code M91.91 is the billable code for juvenile osteochondrosis of hip and pelvis, unspecified, right leg. It sits beneath the parent code M91.9, which cannot go out on a claim by itself. Two mistakes drive most M91.91 denials. Coders submit the non-billable parent M91.9, or they reach for M91.91 when the record documents Legg-Calvé-Perthes […]