C76 Nonimaging Nuclear Medicine Assay - Lymphatic and Hematologic System ICD-10-PCS
The C76 code range contains 9 ICD-10-PCS codes for Nonimaging Nuclear Medicine Assay procedures on the lymphatic and hematologic system. 8 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Nonimaging Nuclear Medicine Assay: Introduction of radioactive materials into the body for the study of body fluids and blood elements, by the detection of radioactive emissions.
Codes in the C76 Range 9 codes · 8 billable
- C76 Nuclear Medicine, Lymphatic and Hematologic System, Nonimaging Nuclear Medicine AssayNon-billable header
- C7631ZZ Nonimaging Nuclear Medicine Assay of Blood using Technetium 99m (Tc-99m)
- C7637ZZ Nonimaging Nuclear Medicine Assay of Blood using Cobalt 58 (Co-58)
- C763CZZ Nonimaging Nuclear Medicine Assay of Blood using Cobalt 57 (Co-57)
- C763DZZ Nonimaging Nuclear Medicine Assay of Blood using Indium 111 (In-111)
- C763HZZ Nonimaging Nuclear Medicine Assay of Blood using Iodine 125 (I-125)
- C763WZZ Nonimaging Nuclear Medicine Assay of Blood using Chromium (Cr-51)
- C763YZZ Nonimaging Nuclear Medicine Assay of Blood using Other Radionuclide
- C76YYZZ Nonimaging Nuclear Medicine Assay of Lymphatic and Hematologic System using Other Radionuclide
About the C76 Code Range
The ICD-10-PCS root operation Nonimaging Nuclear Medicine Assay (code C76) refers to a diagnostic procedure that analyzes the lymphatic and hematologic system using nuclear medicine techniques without generating imaging. This means it measures radioactive tracers in samples like blood to assess physiological function.
Within the Nuclear Medicine classification, these codes specify the use of various radionuclides for nonimaging assays. For example, code C7631ZZ denotes a blood assay using Technetium 99m (Tc-99m), while others include assays with Cobalt 58 (C7637ZZ), Indium 111 (C763DZZ), or Iodine 125 (C763HZZ). There are also codes for assays utilizing Chromium (C763WZZ) or an Other Radionuclide (C763YZZ, C76YYZZ). These precise codes enable detailed documentation of nonimaging nuclear medicine tests critical to evaluating blood and lymphatic system disorders, contributing to accurate coding and patient care management.
Questions About This Page
How many billable codes are in the C76 range?
Of the 9 codes in this range, 8 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the C76 range classify?
The range classifies Nonimaging Nuclear Medicine Assay procedures, introduction of radioactive materials into the body for the study of body fluids and blood elements, by the detection of radioactive emissions, performed on the lymphatic and hematologic system. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
