M84.639D vs M84.639P
M84.639D (Pathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with routine healing) compared with M84.639P (Pathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with malunion), from the official CMS tabular data.
Summary
No tabular note links these codes. Both belong to category M84, and nothing in the tabular list prevents reporting each when it is documented.
Registry fact- What is different?
Title wording.The titles share “Pathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with”; M84.639D says “routine healing” where M84.639P says “malunion”.
Registry fact
- Can these codes be reported together?
No instruction prevents it.No note in either entry names the other. Both belong to category M84; each may be reported when its own documentation is present.
Registry fact
- Is there an Excludes1 relationship?
None.Neither entry carries an Excludes1 note that names the other code. M84.639D carries 1 Excludes1 note and M84.639P carries 1 Excludes1 note covering other codes; the side-by-side table quotes them.
Official rule
- Is there an Excludes2 relationship?
None.Neither entry carries an Excludes2 note that names the other code. M84.639D carries 1 Excludes2 note and M84.639P carries 1 Excludes2 note covering other codes; the side-by-side table quotes them.
Official rule
- Is one more specific?
No.Both titles are unspecified forms within category M84, and neither is a subdivision of the other.
Registry fact
- Is one a parent or header code?
No.Both are billable codes, and neither contains the other.
Registry fact
- Are there sequencing instructions?
None.Neither entry carries a Code First or Use Additional Code note that names the other.
Official rule
- Are there other coding relationships?
None found.No laterality, encounter-phase, Table of Neoplasms, Table of Drugs and Chemicals, or history-versus-active-disease relationship links these codes.
MedCoder-derived
Official rule: a tabular instructional note or a section of the ICD-10-CM Official Guidelines, quoted as published. Registry fact: the codes’ own published attributes (titles, billable status, position in the hierarchy, code set). MedCoder-derived: a reading MedCoder computes from those facts; it is not itself a rule. How to read the labels
Can these codes be reported together?
Yes, when each is documented. M84.639D and M84.639P both belong to category M84.
No Excludes1/Excludes2 relationship exists between these codes in the official tabular list. The code titles state what each one covers, and the documentation decides which applies.
Side by side
| M84.639DPathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with routine healing | M84.639PPathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with malunion | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Pathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with routine healing is a billable ICD-10-CM diagnosis code (M84.639D). | Pathological fracture in other disease, unspecified ulna and radius, subsequent encounter for fracture with malunion is a billable ICD-10-CM diagnosis code (M84.639P). |
| 7th character | The appropriate 7th character is to be added to each code from subcategory M84.6: | The appropriate 7th character is to be added to each code from subcategory M84.6: |
| Excludes1 | pathological fracture in osteoporosis (M80.-) | pathological fracture in osteoporosis (M80.-) |
| Excludes2 | traumatic fracture of bone-see fracture, by site | traumatic fracture of bone-see fracture, by site |
| Code also | underlying condition | underlying condition |
Notes are the code’s own tabular entry, quoted as published. A note that names the other code is the one the verdict above rests on.
Derived from the official CMS ICD-10-CM tabular data (FY2027). A coding-rule comparison, not billing advice: payer-specific edits and medical-necessity policy are outside its scope. All data sources