ICD 10 PCS reference manual pdf
Understanding the Medical Coding Process: A Vital Step in Healthcare.
Medical coding is a critical component of the healthcare industry, ensuring accurate billing, reimbursement, and record-keeping. Here's a quick overview of the process that keeps the system running smoothly:
1. Reviewing Medical Documentation- Coders carefully examine patient records, including physician notes, lab results, and diagnostic reports.
2. Assigning Codes - Using standardized systems like ICD, CPT, and HCPCS, coders assign accurate codes for diagnoses, procedures, and services.
3. Code Verification- Ensuring all codes align with the documentation and follow coding guidelines for accuracy.
4. Billing & Claim Submission - The assigned codes are used for preparing insurance claims to ensure timely reimbursement.
5. Insurance Processing- Insurance companies assess the codes for coverage and process claims accordingly.
6. Reimbursement & Follow-up - If approved, payment is received; otherwise, follow-ups ensure issues are resolved.
7. Record-Keeping- Maintaining accurate records for audits, compliance, and future reference.
Medical coding plays a crucial role in ensuring the financial sustainability of healthcare practices while providing accurate patient data for future research and quality improvement.
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1. HCC-Hierarchical Condition Category
2. HCPCS - Health care common procedural coding system (Used in Hospital procedure supplies and products reporting).
3. CPT- Current Procedural Terminology.
4. CMS- Centre for Medicaid and Medicare Services.
5. Components of Medical Record - CC, HPI, ROS, PE, ASSESSEMENT AND PLAN.
6. HIPAA- Health Insurance Portability and Accountability Act
7. Current Headers-PE, ROS, ASS and Plan & Past Headers- PMH, SURGICAL HX AND SOCIAL HX.
8. Tell me 5 to 10 Acute/Critical/Life threatening Conditions- MI, DVT, EMBOLISM, UNSTABLE ANGINA, AND FRACTURE.
9. What is HCC- Hierarchical condition category (HCC) coding is a risk-adjustment model originally designed to estimate future health care costs for patients.
10. Rx HCC- is prescription based diagnoses, has v05 category value in CMS Model. Coding of RxHcc for part-D or prescription cost predict.
11. What is MEAT- MONITERING, EVALUVATION, ASSESSMENT AND TREATMENT & TAMPER-TREATMENT, ASSESSMENT, MONITERING, PLAN, EVALUATION AND REFFERAL (These two are using to check support for the acute and critical conditions).
12. Format & Structure of ICD-10CM- International Classification of Diseases, Tenth Revision,
13. What X- Place holder- Used for the future expansion of codes like fracture codes.
14. Tell me about Punctuations?
15. Tell me about Excludes- Excludes 1- NOT CODED HERE eg:B20 AND Z21-B20 only we can code(two conditions cannot occur together), Excludes 2- NOT INCLUDED HERE eg: J47.9 AND J43.9 (Code together).
16. Etiology- Cause ...... Manifestation- Effect.....(code first and use additional codes are used for the etiology and manifestations).
17. What is See-following a main term in alphabetical index indicates that another term should be preferred & See also-- following a main term in alphabetical index indicates that there is another main term.
18. Fracture Guidelines?
19. DM guidelines-DM is a chronic condition we can code anywhere from the document. There are five types of DM-type 1, DM type 2, Drug induced DM, Other specified DM, DM due to pancreatectomy (other procedure) ...default is DM type 2.
20. How to Code Pulmonary embolism- PE is an acute/life threatening condition ... it needs immediate treatment...we can code in inpatient setup and from discharge summary.
21. Tell me about DVT- is a critical condition ... it needs immediate treatment...we can code in inpatient setup and from discharge summary.
22. Tell me about CKD-CKD1-4 (N18.1-4), CKD5-6(N18.5-6.799.2) DM+CKD-E11.22 &
21. Tell me about DVT- is a critical condition ... it needs immediate treatment...we can code in inpatient setup and from discharge summary.
22. Tell me about CKD-CKD1-4 (N18.1-4), CKD5-6(N18.5-6, Z99.2) ....DM+CKD-E11.22 & N18.9......
CKD1-4+HTN(112.9+N18.9)
CKD5-6+HTN(I12.0+N18.5) .... CKD1-4+HTN+HF
(113.0+150,9+N18.1 ΤΟ
N18.4)
23. SEPSIS Guidelines?
24. How you will code Severe Sepsis?
25. How you will code Septic Shock?
26. CAD guidelines?
27. DM Combinations?
28. How will you code for Ectomy- By checking surgical history (For removal of body part) and physical examination.
Hierarchical Condition Category (HCC)
Documentation Format
SOAP NOTE
S- Subjective
Chief Complaint
HPI (History of Present Illness)
ROS (Review of Systems)
O- Objective
Physical Exam
Vital Signs
A- Assessment
Final Impression
P- Plan
Refill Medications
Lab Orders
Specialist Referral
CHEDDAR FORMAT
C- Chief Complaint
Presenting problems in the patient's own words
H - History
Social history
Medical history
Surgical history
Family history
E- Exam
Physical examination of the patient
D- Details of Problem
Details of complaints or symptoms
D-Drugs/Dosages
Current medication and dosage
A- Assessment
Diagnostic process and final impressions
R- Recommendation
Return to clinic
Refer to specialist
Treatment plan
Uncertainty Key terms
Do not code uncertain diagnoses from OP progress notes. Rather, code the condition to the highest degree of certainty for the encounter/visit, such as symptoms, signs, abnormal test results, or other reason for the visit.
Probable
Likely
Questionable
Ruled out
Suggestive of
Consistent with
Suspected
Working diagnoses
Compatible with
CHRONIC CONDITIONS
Chronic conditions are conditions that are not expected to resolve and will continue to require medical management. Most frequent chronic conditions include: W
Congestive heart failure
Chronic obstructive pulmonary disease
Chronic hepatitis
Atherosclerosis of aorta
Atherosclerosis of the extremities
Psychiatric codes, even single episode (use remission identifier)
Alcohol and drug dependency (even in remission)
Diabetes
Parkinson's disease
Lupus (SLE)
Rheumatoid arthritis (RA)
Amputation status
Functional artificial openings
HIV/AIDS....
Love this
Great advice
Coding Acute & Chronic Conditions in ICD-10
When coding conditions documented as both acute and chronic, follow these steps:
✔ Check for a combination code - If a single code identifies both the acute and chronic condition, assign that code.
✔ If no combination code exists - Assign separate codes for both the acute and chronic conditions, sequencing the acute code first.
• Example 1:
Acute & Chronic Respiratory Failure → J96.20
(Combination code available)
• Example 2:
✓ Acute & Chronic Renal Failure → N17.9 (Acute
kidney failure, unspecified), N18.9 (Chronic kidney disease, unspecified) - No combination code; coded separately with acute condition sequenced first.
"With/In" & "Due to" Guidelines
ICD-10 assumes a causal relationship when a condition is listed with/in another, unless documentation states otherwise.
• Example 1:
✓ Diabetes with Neuropathy:
Documentation: Diabetes and neuropathy.
Coding: F11 40 Tyne 2 diabetes mellitus with
Coding: E11.40 - Type 2 diabetes mellitus with diabetic neuropathy.
Explanation: The term "with" allows for an assumed link between diabetes and neuropathy.
• Example 2:
✓ Pneumonia Due to Streptococcus:
Documentation: Pneumonia due to Streptococcus.
Coding: J13 Pneumonia due to Streptococcus pneumoniae.
Explanation: The phrase "due to" necessitates explicit documentation of the causal relationship.
• Example of Conditions Without Assumed Causal Linkage in ICD-10-CM:
Example:
Documentation: The patient has hypertension and chronic obstructive pulmonary disease (COPD).
Coding:
110 - Essential (primary) hypertension
J44.9 Chronic obstructive pulmonary disease, unspecified
Explanation: Hypertension and COPD are documented as coexisting conditions without terms indicating a direct relationship. Therefore, no causal linkage is assumed, and each condition is coded separately.
Borderline Diagnoses:
✓ If ICD-10 provides a specific "borderline" code Assign the code provided for the borderline condition.
If no specific "borderline" code exists - Code the condition as confirmed, ignoring the term "borderline."
• Example 1:
✓ Borderline Diabetes Mellitus → R73.03
(Prediabetes)
• Example 2:
Borderline Hypertension →
No specific "borderline"
code exists; code as Hypertension (110).
Understanding these rules ensures accurate documentation, proper sequencing, and fewer denials!
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Medical Coding Essentials: Key Terms & Symbols
✓ NES (Not Elsewhere Specified) - A more specific code doesn't exist.
Example: A rare skin infection coded under a general infection category.
✔ NOS (Not Otherwise Specified) - Documentation lacks enough detail.
Example: "Lung disease, NOS" (J98.9) when specifics aren't available. (if type or other specifics not mentioned)
✔ X Placeholder - used for Future Expansion in codes like Fracture codes.
### Instructions
✔ Excludes 1 - Never coded together (mutually exclusive).
Example: Congenital vs. acquired heart conditions.
• Exception: Sometimes, if documentation supports both conditions being unrelated, coders can override this.
✔ Excludes 2 - Both conditions may coexist. (can be coded together)
Example: Diabetes (E11) and a separate pancreatic disorder (K86).
✓ Code First - Underlying condition must be coded first.
Example: Diabetic neuropathy - Code diabetes (E11.40) first.
✔ Use Additional Code- Extra code required for full detail.
Example: Pneumonia due to influenza - Code flu (J11.1) first, then pneumonia (J12.9).
✔ [] Brackets - Used in the Tabular List for synonyms or additional descriptions.
Example: G30.9 [Alzheimer's disease, unspecified]
() Parentheses- Used for nonessential
modifiers(terms that don't affect code selection).
Example: Pneumonia (viral) J12.9 - "viral" is optional for coding purposes.
✓ Sequela (Late Effect) - A condition resulting from a past illness/injury.
Example: Paralysis (169.35) due to a previous stroke.
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Essential CPT Modifiers Every Medical Coder Must Know!
In medical coding, modifiers play a crucial role in ensuring accurate claim submission, proper reimbursement, and avoiding denials. Here are some of the most frequently used modifiers and their significance:
✓ Modifier -25: Significant, Separately Identifiable E/M Service
Example: A patient visits for a check-up, and the physician also performs a minor procedure like a lesion removal.
Modifier -59: Distinct Procedural Service
Example: A knee injection (20610) and an ultrasound guidance (76942)-modifier -59 ensures both are reimbursed separately.
✓ Modifier -26: Professional Component
Example: A radiologist reads an X-ray (71010) but does not own the equipment-modifier -26 applies.
Modifier -50: Bilateral Procedure
Example: Bilateral knee arthroscopy (29881) should be reported with modifier -50.
Modifier -51: Multiple Procedures
Example: A hernia repair (49505) and cholecystectomy (47562)-modifier -51 applies to the lesser-valued procedure.
Modifier -52: Reduced Services
Example: A colonoscopy is started but not fully completed due to patient discomfort-modifier -52 is applied.
Modifier -76: Repeat Procedure by Same Physician
Example: A patient needs a repeat EKG (93000)
for monitoring-modifier -76 applies.
Modifier -80: Assistant Surgeon
Example: A second surgeon assists in spinal surgery-modifier -80 is applied.
Additional Important Modifiers:
• Modifier -24: Unrelated E/M service during the post-op period
• Modifier -57: Decision for surgery
• Modifier -22: Increased Procedural Services
(Procedure required significantly more work than
usual)
• Modifier -53: Discontinued Procedure (Procedure stopped before completion due to complications)
• Modifier -77: Repeat Procedure by a Different Physician (A different provider repeats the procedure on the same day)
• Modifier -54: Surgical care only
• Modifier -55: Post-operative management only
• Modifier -56: Pre-operative management only
• Modifier -90: Reference (outside) laboratory
• Modifier -91: Repeat clinical diagnostic test
• Modifier -92: Alternative lab platform testing
• Modifier -GA: Waiver of Liability Statement on File (Used when an ABN form is signed)
• Modifier -TC: Technical Component
• Modifier -AA: Anesthesia services performed by an anesthesiologist
• Modifier -AD: Medical supervision of more than four anesthesia procedures
• Modifier -QK: Medical direction of 2-4 concurrent anesthesia procedures
• Modifier-QS: Monitored anesthesia care service
• Modifier -GQ: Telehealth services via asynchronous technology
• Modifier -GT: Telehealth services via interactive audio and video
Why Modifiers Matter?
Prevent claim rejections
Ensure compliance
✓ Maximize accurate reimbursement
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April 10, 2025 at 06:24AM
