{"code":"M88","type":"category","title":"Osteitis deformans [Paget's disease of bone]","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["osteitis deformans in neoplastic disease (M90.6)","postprocedural osteopathies (M96.-)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["M88.0","M88.1","M88.8","M88.81","M88.811","M88.812","M88.819","M88.82","M88.821","M88.822","M88.829","M88.83","M88.831","M88.832","M88.839","M88.84","M88.841","M88.842","M88.849","M88.85","M88.851","M88.852","M88.859","M88.86","M88.861","M88.862","M88.869","M88.87","M88.871","M88.872","M88.879","M88.88","M88.89","M88.9"],"inclusionTerms":[],"sibling_titles":{"code":"M88.9","title":"Osteitis deformans of unspecified bone","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Osteitis deformans [Paget's disease of bone] is a non-billable ICD-10-CM category code (M88). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","officialDefinition":"Osteitis deformans [Paget's disease of bone] is a non-billable ICD-10-CM category code (M88). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[{"code":"M88.0","title":"Osteitis deformans of skull","description":"Osteitis deformans of skull is a billable ICD-10-CM diagnosis code (M88.0). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.0-osteitis-deformans-of-skull"},{"code":"M88.1","title":"Osteitis deformans of vertebrae","description":"Osteitis deformans of vertebrae is a billable ICD-10-CM diagnosis code (M88.1). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.1-osteitis-deformans-of-vertebrae"},{"code":"M88.8","title":"Osteitis deformans of other bones","description":"Osteitis deformans of other bones is a non-billable ICD-10-CM category code (M88.8). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.8-osteitis-deformans-of-other-bones"},{"code":"M88.81","title":"Osteitis deformans of shoulder","description":"Osteitis deformans of shoulder is a non-billable ICD-10-CM category code (M88.81). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.81-osteitis-deformans-of-shoulder"},{"code":"M88.811","title":"Osteitis deformans of right shoulder","description":"Osteitis deformans of right shoulder is a billable ICD-10-CM diagnosis code (M88.811). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.811-osteitis-deformans-of-right-shoulder"},{"code":"M88.812","title":"Osteitis deformans of left shoulder","description":"Osteitis deformans of left shoulder is a billable ICD-10-CM diagnosis code (M88.812). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.812-osteitis-deformans-of-left-shoulder"},{"code":"M88.819","title":"Osteitis deformans of unspecified shoulder","description":"Osteitis deformans of unspecified shoulder is a billable ICD-10-CM diagnosis code (M88.819). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.819-osteitis-deformans-of-unspecified-shoulder"},{"code":"M88.82","title":"Osteitis deformans of upper arm","description":"Osteitis deformans of upper arm is a non-billable ICD-10-CM category code (M88.82). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.82-osteitis-deformans-of-upper-arm"},{"code":"M88.821","title":"Osteitis deformans of right upper arm","description":"Osteitis deformans of right upper arm is a billable ICD-10-CM diagnosis code (M88.821). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.821-osteitis-deformans-of-right-upper-arm"},{"code":"M88.822","title":"Osteitis deformans of left upper arm","description":"Osteitis deformans of left upper arm is a billable ICD-10-CM diagnosis code (M88.822). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.822-osteitis-deformans-of-left-upper-arm"},{"code":"M88.829","title":"Osteitis deformans of unspecified upper arm","description":"Osteitis deformans of unspecified upper arm is a billable ICD-10-CM diagnosis code (M88.829). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.829-osteitis-deformans-of-unspecified-upper-arm"},{"code":"M88.83","title":"Osteitis deformans of forearm","description":"Osteitis deformans of forearm is a non-billable ICD-10-CM category code (M88.83). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.83-osteitis-deformans-of-forearm"},{"code":"M88.831","title":"Osteitis deformans of right forearm","description":"Osteitis deformans of right forearm is a billable ICD-10-CM diagnosis code (M88.831). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.831-osteitis-deformans-of-right-forearm"},{"code":"M88.832","title":"Osteitis deformans of left forearm","description":"Osteitis deformans of left forearm is a billable ICD-10-CM diagnosis code (M88.832). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.832-osteitis-deformans-of-left-forearm"},{"code":"M88.839","title":"Osteitis deformans of unspecified forearm","description":"Osteitis deformans of unspecified forearm is a billable ICD-10-CM diagnosis code (M88.839). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.839-osteitis-deformans-of-unspecified-forearm"},{"code":"M88.84","title":"Osteitis deformans of hand","description":"Osteitis deformans of hand is a non-billable ICD-10-CM category code (M88.84). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.84-osteitis-deformans-of-hand"},{"code":"M88.841","title":"Osteitis deformans of right hand","description":"Osteitis deformans of right hand is a billable ICD-10-CM diagnosis code (M88.841). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.841-osteitis-deformans-of-right-hand"},{"code":"M88.842","title":"Osteitis deformans of left hand","description":"Osteitis deformans of left hand is a billable ICD-10-CM diagnosis code (M88.842). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.842-osteitis-deformans-of-left-hand"},{"code":"M88.849","title":"Osteitis deformans of unspecified hand","description":"Osteitis deformans of unspecified hand is a billable ICD-10-CM diagnosis code (M88.849). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.849-osteitis-deformans-of-unspecified-hand"},{"code":"M88.85","title":"Osteitis deformans of thigh","description":"Osteitis deformans of thigh is a non-billable ICD-10-CM category code (M88.85). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.85-osteitis-deformans-of-thigh"},{"code":"M88.851","title":"Osteitis deformans of right thigh","description":"Osteitis deformans of right thigh is a billable ICD-10-CM diagnosis code (M88.851). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.851-osteitis-deformans-of-right-thigh"},{"code":"M88.852","title":"Osteitis deformans of left thigh","description":"Osteitis deformans of left thigh is a billable ICD-10-CM diagnosis code (M88.852). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.852-osteitis-deformans-of-left-thigh"},{"code":"M88.859","title":"Osteitis deformans of unspecified thigh","description":"Osteitis deformans of unspecified thigh is a billable ICD-10-CM diagnosis code (M88.859). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.859-osteitis-deformans-of-unspecified-thigh"},{"code":"M88.86","title":"Osteitis deformans of lower leg","description":"Osteitis deformans of lower leg is a non-billable ICD-10-CM category code (M88.86). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.86-osteitis-deformans-of-lower-leg"},{"code":"M88.861","title":"Osteitis deformans of right lower leg","description":"Osteitis deformans of right lower leg is a billable ICD-10-CM diagnosis code (M88.861). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.861-osteitis-deformans-of-right-lower-leg"},{"code":"M88.862","title":"Osteitis deformans of left lower leg","description":"Osteitis deformans of left lower leg is a billable ICD-10-CM diagnosis code (M88.862). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.862-osteitis-deformans-of-left-lower-leg"},{"code":"M88.869","title":"Osteitis deformans of unspecified lower leg","description":"Osteitis deformans of unspecified lower leg is a billable ICD-10-CM diagnosis code (M88.869). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.869-osteitis-deformans-of-unspecified-lower-leg"},{"code":"M88.87","title":"Osteitis deformans of ankle and foot","description":"Osteitis deformans of ankle and foot is a non-billable ICD-10-CM category code (M88.87). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":false,"slug":"m88.87-osteitis-deformans-of-ankle-and-foot"},{"code":"M88.871","title":"Osteitis deformans of right ankle and foot","description":"Osteitis deformans of right ankle and foot is a billable ICD-10-CM diagnosis code (M88.871). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.871-osteitis-deformans-of-right-ankle-and-foot"},{"code":"M88.872","title":"Osteitis deformans of left ankle and foot","description":"Osteitis deformans of left ankle and foot is a billable ICD-10-CM diagnosis code (M88.872). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.872-osteitis-deformans-of-left-ankle-and-foot"},{"code":"M88.879","title":"Osteitis deformans of unspecified ankle and foot","description":"Osteitis deformans of unspecified ankle and foot is a billable ICD-10-CM diagnosis code (M88.879). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.879-osteitis-deformans-of-unspecified-ankle-and-foot"},{"code":"M88.88","title":"Osteitis deformans of other bones","description":"Osteitis deformans of other bones is a billable ICD-10-CM diagnosis code (M88.88). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-). Excludes2 (not included here): osteitis deformans of skull (M88.0); osteitis deformans of vertebrae (M88.1).","isBillable":true,"slug":"m88.88-osteitis-deformans-of-other-bones"},{"code":"M88.89","title":"Osteitis deformans of multiple sites","description":"Osteitis deformans of multiple sites is a billable ICD-10-CM diagnosis code (M88.89). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.89-osteitis-deformans-of-multiple-sites"},{"code":"M88.9","title":"Osteitis deformans of unspecified bone","description":"Osteitis deformans of unspecified bone is a billable ICD-10-CM diagnosis code (M88.9). Excludes1 (not coded here): osteitis deformans in neoplastic disease (M90.6); postprocedural osteopathies (M96.-).","isBillable":true,"slug":"m88.9-osteitis-deformans-of-unspecified-bone"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}