2027 updates
Upcoming
Effective dates
Effective October 1, 2026 – September 30, 2027
This release replaces FY2026 April. Choose the release that applies to your date of service or discharge.
Code-list changes
Open a code’s History tab to see changes to its title, reporting status and coding instructions.
Added entries 238
C78.31Secondary malignant neoplasm of larynxC78.32Secondary malignant neoplasm of pharynxC79.83Secondary malignant neoplasm of oral cavityD69.11Glanzmann thrombastheniaD69.19Other qualitative platelet defectsE89.83Postprocedural hypoglycemia following a procedureE89.830Post bariatric hypoglycemiaE89.838Other postprocedural hypoglycemiaF64.AGender identity disorder, in remissionI42.00Dilated cardiomyopathy, unspecifiedI42.01Familial-genetic dilated cardiomyopathyI42.09Other dilated cardiomyopathyI42.81Arrhythmogenic cardiomyopathyI42.89Other cardiomyopathies not elsewhere classifiedI47.22Catecholaminergic polymorphic ventricular tachycardia [CPVT]I49.81Brugada syndromeI49.82Ventricular bigeminyI49.89Other specified cardiac arrhythmias not elsewhere classifiedJ34.83Odontogenic sinusitisJ34.830Odontogenic sinusitis, maxillary sinusJ34.831Odontogenic sinusitis, ethmoid sinusJ34.832Odontogenic sinusitis, frontal sinusJ34.833Odontogenic sinusitis, sphenoid sinusJ34.839Odontogenic sinusitis, unspecifiedJ4BPulmonary mycetomaK31.BHypertrophic pyloric stenosis, in childhoodK6ADiseases of the pelvis, not elsewhere classifiedK6A.0Pelvic abscessK6A.01Prevesical abscessK6A.09Other pelvic abscessK6A.8Other diseases of the pelvis, not elsewhere classifiedK74.0AHepatic fibrosis, moderate fibrosisK76.83Intestinal failure-associated liver diseaseL02.237Carbuncle of flankM04.3VEXAS syndromeM67.APlantar fasciitisM67.A0Plantar fasciitis, footM67.A01Plantar fasciitis, right footM67.A02Plantar fasciitis, left footM67.A09Plantar fasciitis, unspecified footM72.20Plantar fascial fibromatosis, unspecified footM72.21Plantar fascial fibromatosis, right footM72.22Plantar fascial fibromatosis, left footM86.8X11Other osteomyelitis, right shoulderM86.8X12Other osteomyelitis, left shoulderM86.8X19Other osteomyelitis, unspecified shoulderM86.8X21Other osteomyelitis, right upper armM86.8X22Other osteomyelitis, left upper armM86.8X29Other osteomyelitis, unspecified upper armM86.8X31Other osteomyelitis, right forearmM86.8X32Other osteomyelitis, left forearmM86.8X39Other osteomyelitis, unspecified forearmM86.8X41Other osteomyelitis, right handM86.8X42Other osteomyelitis, left handM86.8X49Other osteomyelitis, unspecified handM86.8X51Other osteomyelitis, right thighM86.8X52Other osteomyelitis, left thighM86.8X59Other osteomyelitis, unspecified thighM86.8X61Other osteomyelitis, right lower legM86.8X62Other osteomyelitis, left lower legM86.8X69Other osteomyelitis, unspecified lower legM86.8X71Other osteomyelitis, right ankle and footM86.8X72Other osteomyelitis, left ankle and footM86.8X79Other osteomyelitis, unspecified ankle and footM86.8X80Other osteomyelitis, skullM86.8X81Other osteomyelitis, face and sinusesM86.8X89Other osteomyelitis, other siteN99.86Intraoperative and postprocedural complications and disorders of breastN99.860Intraoperative and postprocedural nipple ischemiaN99.861Intraoperative and postprocedural nipple necrosisO00.12Interstitial ectopic pregnancy without intrauterine pregnancyO00.121Right interstitial ectopic pregnancy without intrauterine pregnancyO00.122Left interstitial ectopic pregnancy without intrauterine pregnancyO00.129Unspecified interstitial ectopic pregnancy without intrauterine pregnancyO00.13Interstitial ectopic pregnancy with intrauterine pregnancyO00.131Right interstitial ectopic pregnancy with intrauterine pregnancyO00.132Left interstitial ectopic pregnancy with intrauterine pregnancyO00.139Unspecified interstitial ectopic pregnancy with intrauterine pregnancyO00.3Cesarean scar ectopic pregnancyO00.31Cesarean scar ectopic pregnancy without intrauterine pregnancyO00.32Cesarean scar ectopic pregnancy with intrauterine pregnancyO00.4Cervical ectopic pregnancyO00.41Cervical ectopic pregnancy without intrauterine pregnancyO00.42Cervical ectopic pregnancy with intrauterine pregnancyO00.5Cornual ectopic pregnancyO00.51Cornual ectopic pregnancy without intrauterine pregnancyO00.511Right cornual ectopic pregnancy without intrauterine pregnancyO00.512Left cornual ectopic pregnancy without intrauterine pregnancyO00.519Unspecified cornual ectopic pregnancy without intrauterine pregnancyO00.52Cornual ectopic pregnancy with intrauterine pregnancyO00.521Right cornual ectopic pregnancy with intrauterine pregnancyO00.522Left cornual ectopic pregnancy with intrauterine pregnancyO00.529Unspecified cornual ectopic pregnancy with intrauterine pregnancyO31.4Continuing pregnancy after vanishing twin syndrome of one fetus or moreO31.40Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimesterO31.40X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, not applicable or unspecifiedO31.40X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 1O31.40X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 2O31.40X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 3O31.40X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 4O31.40X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, fetus 5O31.40X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, unspecified trimester, other fetusO31.41Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimesterO31.41X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, not applicable or unspecifiedO31.41X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 1O31.41X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 2O31.41X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 3O31.41X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 4O31.41X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, fetus 5O31.41X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester, other fetusO31.42Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimesterO31.42X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, not applicable or unspecifiedO31.42X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1O31.42X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 2O31.42X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 3O31.42X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 4O31.42X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 5O31.42X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, other fetusO31.43Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimesterO31.43X0Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, not applicable or unspecifiedO31.43X1Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 1O31.43X2Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 2O31.43X3Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 3O31.43X4Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 4O31.43X5Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, fetus 5O31.43X9Continuing pregnancy after vanishing twin syndrome of one fetus or more, third trimester, other fetusQ87.ALoeys-Dietz syndromeQA1Genetic disorders associated with neoplasms, not elsewhere classifiedQA1.7Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classifiedQA1.71Lynch syndromeQA1.79Other inherited neoplasm predisposition syndrome of multiple systemsQA1.790Familial cancer syndrome with pathogenic BRCA1 mutationQA1.791Familial cancer syndrome with pathogenic BRCA2 mutationQA1.792Li Fraumeni syndromeQA1.798Other inherited neoplasm predisposition syndrome of multiple systemsR78.72Abnormal gadolinium level in bloodT52.81Toxic effects of alkenesT52.811Toxic effect of alkenes, accidental (unintentional)T52.811AToxic effect of alkenes, accidental (unintentional), initial encounterT52.811DToxic effect of alkenes, accidental (unintentional), subsequent encounterT52.811SToxic effect of alkenes, accidental (unintentional), sequelaT52.812Toxic effect of alkenes, intentional self-harmT52.812AToxic effect of alkenes, intentional self-harm, initial encounterT52.812DToxic effect of alkenes, intentional self-harm, subsequent encounterT52.812SToxic effect of alkenes, intentional self-harm, sequelaT52.813Toxic effect of alkenes, assaultT52.813AToxic effect of alkenes, assault, initial encounterT52.813DToxic effect of alkenes, assault, subsequent encounterT52.813SToxic effect of alkenes, assault, sequelaT52.814Toxic effect of alkenes, undeterminedT52.814AToxic effect of alkenes, undetermined, initial encounterT52.814DToxic effect of alkenes, undetermined, subsequent encounterT52.814SToxic effect of alkenes, undetermined, sequelaT52.82Toxic effects of cycloparaffinsT52.821Toxic effect of cycloparaffins, accidental (unintentional)T52.821AToxic effect of cycloparaffins, accidental (unintentional), initial encounterT52.821DToxic effect of cycloparaffins, accidental (unintentional), subsequent encounterT52.821SToxic effect of cycloparaffins, accidental (unintentional), sequelaT52.822Toxic effect of cycloparaffins, intentional self-harmT52.822AToxic effect of cycloparaffins, intentional self-harm, initial encounterT52.822DToxic effect of cycloparaffins, intentional self-harm, subsequent encounterT52.822SToxic effect of cycloparaffins, intentional self-harm, sequelaT52.823Toxic effect of cycloparaffins, assaultT52.823AToxic effect of cycloparaffins, assault, initial encounterT52.823DToxic effect of cycloparaffins, assault, subsequent encounterT52.823SToxic effect of cycloparaffins, assault, sequelaT52.824Toxic effect of cycloparaffins, undeterminedT52.824AToxic effect of cycloparaffins, undetermined, initial encounterT52.824DToxic effect of cycloparaffins, undetermined, subsequent encounterT52.824SToxic effect of cycloparaffins, undetermined, sequelaT52.89Toxic effects of other organic solventsT52.891Toxic effect of other organic solvents, accidental (unintentional)T52.891AToxic effect of other organic solvents, accidental (unintentional), initial encounterT52.891DToxic effect of other organic solvents, accidental (unintentional), subsequent encounterT52.891SToxic effect of other organic solvents, accidental (unintentional), sequelaT52.892Toxic effect of other organic solvents, intentional self-harmT52.892AToxic effect of other organic solvents, intentional self-harm, initial encounterT52.892DToxic effect of other organic solvents, intentional self-harm, subsequent encounterT52.892SToxic effect of other organic solvents, intentional self-harm, sequelaT52.893Toxic effect of other organic solvents, assaultT52.893AToxic effect of other organic solvents, assault, initial encounterT52.893DToxic effect of other organic solvents, assault, subsequent encounterT52.893SToxic effect of other organic solvents, assault, sequelaT52.894Toxic effect of other organic solvents, undeterminedT52.894AToxic effect of other organic solvents, undetermined, initial encounterT52.894DToxic effect of other organic solvents, undetermined, subsequent encounterT52.894SToxic effect of other organic solvents, undetermined, sequelaT59.82Toxic effects of hexamethylene diisocyanateT59.821Toxic effect of hexamethylene diisocyanate, accidental (unintentional)T59.821AToxic effect of hexamethylene diisocyanate, accidental (unintentional), initial encounterT59.821DToxic effect of hexamethylene diisocyanate, accidental (unintentional), subsequent encounterT59.821SToxic effect of hexamethylene diisocyanate, accidental (unintentional), sequelaT59.822Toxic effect of hexamethylene diisocyanate, intentional self-harmT59.822AToxic effect of hexamethylene diisocyanate, intentional self-harm, initial encounterT59.822DToxic effect of hexamethylene diisocyanate, intentional self-harm, subsequent encounterT59.822SToxic effect of hexamethylene diisocyanate, intentional self-harm, sequelaT59.823Toxic effect of hexamethylene diisocyanate, assaultT59.823AToxic effect of hexamethylene diisocyanate, assault, initial encounterT59.823DToxic effect of hexamethylene diisocyanate, assault, subsequent encounterT59.823SToxic effect of hexamethylene diisocyanate, assault, sequelaT59.824Toxic effect of hexamethylene diisocyanate, undeterminedT59.824AToxic effect of hexamethylene diisocyanate, undetermined, initial encounterT59.824DToxic effect of hexamethylene diisocyanate, undetermined, subsequent encounterT59.824SToxic effect of hexamethylene diisocyanate, undetermined, sequelaT65.85Toxic effect of medetomidineT65.851Toxic effect of medetomidine, accidental (unintentional)T65.851AToxic effect of medetomidine, accidental (unintentional), initial encounterT65.851DToxic effect of medetomidine, accidental (unintentional), subsequent encounterT65.851SToxic effect of medetomidine, accidental (unintentional), sequelaT65.852Toxic effect of medetomidine, intentional self-harmT65.852AToxic effect of medetomidine, intentional self-harm, initial encounterT65.852DToxic effect of medetomidine, intentional self-harm, subsequent encounterT65.852SToxic effect of medetomidine, intentional self-harm, sequelaT65.853Toxic effect of medetomidine, assaultT65.853AToxic effect of medetomidine, assault, initial encounterT65.853DToxic effect of medetomidine, assault, subsequent encounterT65.853SToxic effect of medetomidine, assault, sequelaT65.854Toxic effect of medetomidine, undeterminedT65.854AToxic effect of medetomidine, undetermined, initial encounterT65.854DToxic effect of medetomidine, undetermined, subsequent encounterT65.854SToxic effect of medetomidine, undetermined, sequelaZ68.18Body mass index [BMI] 18.4 or less, adultZ68.19Body mass index [BMI] 18.5-19.9, adultZ77.013Contact with and (suspected) exposure to gadoliniumZ77.32Contact with and (suspected) exposure to burn pits in war theaterZ77.33Contact with and (suspected) exposure to Agent OrangeZ77.4Contact with and (suspected) exposure to blast overpressureZ77.40Contact with and (suspected) exposure to unspecified blast overpressureZ77.41Contact with and (suspected) exposure to low-level blast overpressureZ77.42Contact with and (suspected) exposure to high-level blast overpressureZ77.49Contact with and (suspected) exposure to other blast overpressureZ86.17Personal history of Clostridioides difficile infectionZ87.8901Personal history of social gender transitionZ87.8902Personal history of medical gender transitionZ87.8903Personal history of surgical gender transitionZ87.8904Personal history of intersex surgeryZ87.8909Personal history of unspecified gender transitionZ87.893Personal history of gender detransition
Removed entries 21
Removed entries open in the previous release.
S23.420Sprain of sternoclavicular (joint) (ligament)S23.420ASprain of sternoclavicular (joint) (ligament), initial encounterS23.420DSprain of sternoclavicular (joint) (ligament), subsequent encounterS23.420SSprain of sternoclavicular (joint) (ligament), sequelaT52.8XToxic effects of other organic solventsT52.8X1Toxic effect of other organic solvents, accidental (unintentional)T52.8X1AToxic effect of other organic solvents, accidental (unintentional), initial encounterT52.8X1DToxic effect of other organic solvents, accidental (unintentional), subsequent encounterT52.8X1SToxic effect of other organic solvents, accidental (unintentional), sequelaT52.8X2Toxic effect of other organic solvents, intentional self-harmT52.8X2AToxic effect of other organic solvents, intentional self-harm, initial encounterT52.8X2DToxic effect of other organic solvents, intentional self-harm, subsequent encounterT52.8X2SToxic effect of other organic solvents, intentional self-harm, sequelaT52.8X3Toxic effect of other organic solvents, assaultT52.8X3AToxic effect of other organic solvents, assault, initial encounterT52.8X3DToxic effect of other organic solvents, assault, subsequent encounterT52.8X3SToxic effect of other organic solvents, assault, sequelaT52.8X4Toxic effect of other organic solvents, undeterminedT52.8X4AToxic effect of other organic solvents, undetermined, initial encounterT52.8X4DToxic effect of other organic solvents, undetermined, subsequent encounterT52.8X4SToxic effect of other organic solvents, undetermined, sequela
Revised titles 4
L02.232Carbuncle of back [any part, except buttock and flank]Previously: Carbuncle of back [any part, except buttock]L03.312Cellulitis of back [any part except buttock and flank]Previously: Cellulitis of back [any part except buttock]L03.322Acute lymphangitis of back [any part except buttock and flank]Previously: Acute lymphangitis of back [any part except buttock]Z29.14Encounter for prophylactic rabies immune globulinPreviously: Encounter for prophylactic rabies immune globin
Billability changes 15
D69.1Qualitative platelet defectsPreviously: Billable / specific → Category · further specificity requiredI42.0Dilated cardiomyopathyPreviously: Billable / specific → Category · further specificity requiredI42.8Other cardiomyopathiesPreviously: Billable / specific → Category · further specificity requiredI49.8Other specified cardiac arrhythmiasPreviously: Billable / specific → Category · further specificity requiredM72.2Plantar fascial fibromatosisPreviously: Billable / specific → Category · further specificity requiredM86.8X1Other osteomyelitis, shoulderPreviously: Billable / specific → Category · further specificity requiredM86.8X2Other osteomyelitis, upper armPreviously: Billable / specific → Category · further specificity requiredM86.8X3Other osteomyelitis, forearmPreviously: Billable / specific → Category · further specificity requiredM86.8X4Other osteomyelitis, handPreviously: Billable / specific → Category · further specificity requiredM86.8X5Other osteomyelitis, thighPreviously: Billable / specific → Category · further specificity requiredM86.8X6Other osteomyelitis, lower legPreviously: Billable / specific → Category · further specificity requiredM86.8X7Other osteomyelitis, ankle and footPreviously: Billable / specific → Category · further specificity requiredM86.8X8Other osteomyelitis, other sitePreviously: Billable / specific → Category · further specificity requiredZ68.1Body mass index [BMI] 19.9 or less, adultPreviously: Billable / specific → Category · further specificity requiredZ87.890Personal history of sex reassignmentPreviously: Billable / specific → Category · further specificity required