Coding Ahead
CasePilot
Medical Coding Assistant
Case2Code
Search and Code Lookup Tool
RedactPHI
HIPAA-Compliant PHI Redaction
DetectICD10CM
ICD-10-CM Code Detection
Log in Register free account
1 code page views remaining. Guest accounts are limited to 1 page view. Register free account to get 5 more views.
Log in Register free account

Official Description

Digitization of glass microscope slides for bone marrow, smear interpretation (List separately in addition to code for primary procedure)

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 0855T refers to the process of digitizing glass microscope slides specifically for the interpretation of bone marrow smears. This procedure involves scanning glass slides that contain samples of bone marrow, which may include aspirates, cores, or clots. The digitization process transforms these physical slides into digital images that can be stored on a local computer server or in a cloud-based archive. This digital format facilitates further examination by pathologists who may be located remotely, allowing for enhanced diagnostic capabilities. Additionally, the use of computer algorithms can assist in providing pathologic diagnoses, offering an alternative to traditional direct visualization through a microscope. The preparation of a glass slide involves applying a thin smear of the bone marrow sample, which is then fixed in place using a special stain to preserve the cellular details for accurate analysis. It is important to report CPT® Code 0855T separately in conjunction with the primary procedure code when additional slide digitization is performed during the same session.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The digitization of glass microscope slides for bone marrow smear interpretation is indicated in various clinical scenarios where detailed examination of bone marrow samples is necessary. The following conditions may warrant this procedure:

  • Bone Marrow Disorders The procedure is often performed for patients suspected of having hematological disorders, such as leukemia, lymphoma, or myelodysplastic syndromes, where a thorough evaluation of bone marrow is critical for diagnosis.
  • Diagnostic Confirmation It is indicated for confirming diagnoses made through initial examinations, allowing for a more comprehensive analysis of cellular morphology and pathology.
  • Monitoring Treatment Response The digitization process can be utilized to monitor the effectiveness of ongoing treatments in patients with known bone marrow conditions, providing a means to assess changes in cellular composition over time.

2. Procedure

The procedure for digitizing glass microscope slides involves several key steps that ensure the accurate capture and storage of bone marrow samples. Each step is crucial for maintaining the integrity of the samples and the quality of the digital images.

  • Preparation of the Slide Initially, a glass slide is prepared by placing a thin smear of the bone marrow aspirate, core, or clot onto the surface of the slide. This smear must be spread evenly to allow for optimal visualization of the cellular components.
  • Fixation and Staining After the smear is prepared, it is fixed in place using a special stain. This staining process is essential as it enhances the contrast of the cellular structures, making them more distinguishable during the digitization process.
  • Scanning the Slide Once the slide is prepared and stained, it is then scanned using a digital microscope or slide scanner. This equipment captures high-resolution images of the slide, converting the physical sample into a digital format.
  • Storage of Digital Images The resulting digital images are stored either on a local computer server or within a cloud-based archive. This storage solution allows for easy access and retrieval by pathologists for further examination and analysis.
  • Remote Access and Analysis Finally, the digitized images can be accessed remotely by pathologists, enabling them to conduct detailed examinations and interpretations. Additionally, computer algorithms may be employed to assist in diagnosing conditions based on the digital images.

3. Post-Procedure

Post-procedure care for the digitization of glass microscope slides primarily involves ensuring that the digital images are securely stored and easily accessible for future reference. There are no specific recovery protocols associated with this procedure, as it is a technical process rather than an invasive medical intervention. However, it is essential to maintain the integrity of the digital files and ensure that they are backed up appropriately to prevent data loss. Pathologists may review the digitized images at their convenience, and any findings or diagnoses should be documented in the patient's medical record for continuity of care.

Short Descr DGTZ GLS MCRSCP B1 MAROW SMR
Medium Descr DGTZ GLS MCRSCP SLD BONE MARROW SMEAR INTERPJ
Long Descr Digitization of glass microscope slides for bone marrow, smear interpretation (List separately in addition to code for primary procedure)
Status Code Carriers Price the Code
Global Days ZZZ - Code Related to Another Service
PC/TC Indicator (26, TC) 3 - Technical Component Only Code
Multiple Procedures (51) 0 - No payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Items and Services Packaged into APC Rates
Berenson-Eggers TOS (BETOS) none
MUE Not applicable/unspecified.

This is an add-on code that must be used in conjunction with one of these primary codes.

85097 MPFS Status: Active Code APC Q2 CPT Assistant Article Bone marrow, smear interpretation
Date
Action
Notes
2024-01-01 Added Code Added.
CasePilot

Get instant expert-level medical coding assistance.

Ask about:
CPT Codes Guidelines Modifiers Crosswalks NCCI Edits Compliance Medicare Coverage
Example: "What is CPT code 99213?" or "Guidelines for E/M services"