ICD-10-CM Diagnosis Code (2025)
Official Description for M31.1
Thrombotic microangiopathy
Coding Notes & Guidelines for M31.1
Code First
- if applicable:
- complications of bone marrow transplant (T86.0-)
- complications of stem cell transplant (T86.5)
Use Additional Code
- 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)
Inclusion Terms
Transplant-associated thrombotic microangiopathy [TA-TMA]
Inclusion Terms
Thrombotic thrombocytopenic purpura
Parent Code (Less Specific):
About ICD-10-CM Code M31.1 (Thrombotic microangiopathy)
ICD-10-CM code M31.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M31.1 became effective on October 1, 2024.
This page provides detailed information about M31.1 - Thrombotic microangiopathy. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Thrombotic microangiopathy.