M31.11
Hematopoietic stem cell transplantation-associated thrombotic microangiopathy [HSCT-TMA]
HCC risk adjustment mapping
CMS-HCC V28
Stem Cell, Including Bone Marrow, Transplant Status/Complications
CMS-HCC ESRD V24
Major Organ Transplant or Replacement Status
RxHCC V08
Stem Cell, Including Bone Marrow, Transplant Status/Complications
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
code to identify specific organ dysfunction, such as: acute kidney failure (N17.-) acute respiratory distress syndrome (J80) capillary leak syndrome (I78.8) diffuse alveolar hemorrhage (R04.89) encephalopathy (metabolic) (septic) (G93.41) fluid overload, unspecified (E87.70) graft versus host disease (D89.81-) hemolytic uremic syndrome (D59.3-) hepatic failure (K72.-) hepatic veno-occlusive disease (K76.5) idiopathic interstitial pneumonia (J84.11-) sinusoidal obstruction syndrome (K76.5)
if applicable: complications of bone marrow transplant (T86.0-) complications of stem cell transplant (T86.5)
Transplant-associated thrombotic microangiopathy [TA-TMA]
autoimmune disease NOS collagen (vascular) disease NOS systemic autoimmune disease systemic collagen (vascular) disease
autoimmune disease, single organ or single cell-type -code to relevant condition category
arthropathic psoriasis (L40.5-) certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) compartment syndrome (traumatic) (T79.A-) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition (M00-M25) Arthropathies (M00-M25) Includes: Disorders affecting predominantly peripheral (limb) joints (M40-M54) Dorsopathies (M40-M54) (M60-M79) Soft tissue disorders (M60-M79) (M80-M94) Osteopathies and chondropathies (M80-M94)
Official Guidelines for M31.11
FY 2026 ›Find M31.11 in the alphabetic index
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