D47: ICD10 Code for Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
D47 is the ICD10 code used for documenting Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue in clinical and billing records.

D47 refers to Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue, which are growths or conditions that show abnormal cell behavior but cannot be definitively classified as benign or malignant. These ICD10 codes are used when diagnostic uncertainty exists and more monitoring or tests are needed to determine malignancy potential.
Symptoms
- Visible lump or lesion – Varies by anatomical site
- Unusual bleeding or discharge – In organ-specific cases like genital or urinary systems
- Compression effects – From growing neoplasms affecting nearby organs
- Fatigue or weakness – Seen in hematologic or endocrine-related cases
- Neurological changes – When located in brain or meninges
- Systemic symptoms – In blood or bone marrow abnormalities (e.g., myelodysplastic syndromes)
- Incidental findings – Discovered during imaging or screening
Diagnosis
Diagnosis of Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue often requires imaging (CT, MRI, ultrasound), histopathology, cytogenetics, and molecular studies. Initial biopsies may show atypical features but lack definitive markers for malignancy, necessitating close observation or follow-up testing to guide management.
ICD10 Code Usage
ICD10 code D47 is used in clinical settings to document indeterminate or precancerous conditions, uncertain tumors, or chronic blood disorders. It helps in surveillance, insurance coding, and treatment planning when final pathological clarity is pending or unnecessary.
Related Codes
- D37 – Neoplasm of uncertain behavior of oral cavity and digestive organs
- D38 – Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs
- D39 – Neoplasm of uncertain behavior of female genital organs
- D40 – Neoplasm of uncertain behavior of male genital organs
- D41 – Neoplasm of uncertain behavior of urinary organs
- D42 – Neoplasm of uncertain behavior of meninges
- D43 – Neoplasm of uncertain behavior of brain and central nervous system
- D44 – Neoplasm of uncertain behavior of endocrine glands
- D45 – Polycythemia vera
- D46 – Myelodysplastic syndromes
- D48 – Neoplasm of uncertain behavior of other and unspecified sites
FAQs
Q1: What is ICD10 code D47?
A: It documents Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue, a condition where cell behavior is abnormal but not clearly benign or malignant.
Q2: Does this mean I have cancer?
A: Not necessarily. It means further observation or testing is required to confirm whether the growth is malignant.
Q3: Are treatments started immediately?
A: Often, a monitoring strategy or additional diagnostics precede treatment unless symptoms require early intervention.
Q4: Can uncertain behavior progress to cancer?
A: Some may eventually be reclassified as malignant, while others remain stable and non-cancerous.
Q5: Is this code important for insurance and reporting?
A: Yes, it allows coverage and tracking while awaiting more conclusive diagnosis or staging.
Conclusion
ICD10 code D47 plays a critical role in identifying and monitoring Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue. It provides a framework for safe evaluation, care continuity, and ensures clinicians and coders can track diagnostic progress until definitive classification is achieved.

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