Malignant neoplasm of unspecified bones and articular cartilage of limb

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

C40.90 Malignant neoplasm of unspecified bones and articular cartilage of unspecified limb
C40.91 Malignant neoplasm of unspecified bones and articular cartilage of right limb
C40.92 Malignant neoplasm of unspecified bones and articular cartilage of left limb

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2012 Added to the draft code set draft Malignant neoplasm of unspecified bones and articular cartilage of limb

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C40 Malignant neoplasm of bone and articular cartilage of limbs

Use additional code

code to identify major osseous defect, if applicable (M89.7-)

Inherited from the C40-C41 section Malignant neoplasms of bone and articular cartilage (C40-C41)

Excludes1 - never coded here

malignant neoplasm of bone marrow NOS (C96.9)
malignant neoplasm of synovia (C49.-)

Includes

malignant neoplasm of cartilage (articular) (joint)
malignant neoplasm of periosteum

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Osteoma
Chondroma
Ecchondroma
Enchondroma
Osteofibroma
Osteosarcoma
Fibro-osteoma
Osteoblastoma
Chondromatosis
Chondrosarcoma
Codman's tumor
Osteochondroma
Chondroblastoma
Chondro-osteoma
Tumor > Ewing's
Adamantoblastoma
Tumor > Codman's
Osteofibrosarcoma
Osteoma > osteoid
Sarcoma > Ewing's
Adamantinoblastoma
Chondromyxosarcoma
Endothelioma, bone
Myxochondrosarcoma
Fibrochondrosarcoma
Fibroma > ossifying
Melanoameloblastoma
Osteochondrosarcoma
Fibroma > periosteal
Sarcoma > osteogenic
Sarcoma > periosteal
Chondroma > periosteal
Fibroma > cementifying
Sarcoma > osteoblastic
Chondrosarcoma > myxoid
Fibroma > chondromyxoid
Osteochondromyxosarcoma
Angioendothelioma > bone
Ewing's sarcoma or tumor
Chondroma > juxtacortical

Showing 40 of 63 index phrases.

Codes in the same group

Code	Description	Status
C40.0	Malignant neoplasm of scapula and long bones of upper limb	Not billable
C40.1	Malignant neoplasm of short bones of upper limb	Not billable
C40.2	Malignant neoplasm of long bones of lower limb	Not billable
C40.3	Malignant neoplasm of short bones of lower limb	Not billable
C40.8	Malignant neoplasm of overlapping sites of bone and articular cartilage of limb	Not billable